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40w led grow lights

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Solar LED Security Lights w/ Motion Sensor

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€ 14.99

€ 23.67

Solar LED Security Lights w/ Motion Sensor

Options: You can choose from two options integrated or separation. Motion sensor: These solar motion sensor outdoor lights include a high sensitive motion sensor function.
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Modern Crystal Pendant Chandelier - Large 40cm Round Steel Frame, E14 Bulb Compatible, Statement LED Ceiling Light

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€ 102.99

€ 113.99

Modern Crystal Pendant Chandelier - Large 40cm Round Steel Frame, E14 Bulb Compatible, Statement LED Ceiling Light

E14 Bulbs Compatibility: Allows for customizable lighting with bulbs up to 40W (not included), catering to your preferred ambiance. Durable Steel Frame: Provides exceptional stability and support, ensuring the chandelier remains a fixture of elegance in your home. Perfect Size: Measuring at Ø40 x 30H cm, it makes a bold statement without overwhelming your space. Sparkling Crystal Accents: Adds a touch of sophistication and dazzling beauty, turning any room into a luxurious sanctuary.
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Portable Ultrasound Cleaning Machine w/ or w/o Purple Light

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€ 9.99

€ 18.60

Portable Ultrasound Cleaning Machine w/ or w/o Purple Light

Comprehensive item suitability: The device is perfect for a wide range of objects, including jewellery, glasses, circuit boards, ornaments, pens, and more, offering versatility in cleaning options. Adaptable liquid contact cleaning: This cleaning device is suitable for all surfaces, especially for items with complex shapes and multiple holes, ensuring a thorough and effective cleaning process.
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Mini Wireless Bluetooth Shower Speaker - Waterproof, LED, 5W Audio, 6 Colours

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Mini Wireless Bluetooth Shower Speaker - Waterproof, LED, 5W Audio, 6 Colours

Powerful sonic waves: Immerse yourself in 5W RMS high power audio. From bathroom tiles to kitchen sinks, this speaker effortlessly fills your space with premium sound quality.
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Solar LED Flower Projection Path & Wall Lights - Waterproof Outdoor Garden Lighting

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€ 9.99

€ 23.61

Solar LED Flower Projection Path & Wall Lights - Waterproof Outdoor Garden Lighting

All weather durability: Designed to withstand various weather conditions, these lights are waterproof and resilient, ensuring reliable performance throughout the year. Flexible installation options: Featuring two installation modes, these lights can be mounted on walls or used as a table, path, or floor light, adapting to different outdoor settings and preferences.
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Jellyfish Solar LED Garden Lights - Waterproof Outdoor Colour-Changing Path Lighting

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Jellyfish Solar LED Garden Lights - Waterproof Outdoor Colour-Changing Path Lighting

Vibrant colour changing: The lamp beads gradually shift through seven brilliant colours, creating a captivating night time display. Waterproof and durable: Built with an IP65 waterproof rating and robust materials, these lights are designed to withstand various weather conditions.
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3.5M Solar LED Outdoor String Lights - Energy Efficient, 8 Modes, Waterproof (Icicle or Snowflake Design)

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3.5M Solar LED Outdoor String Lights - Energy Efficient, 8 Modes, Waterproof (Icicle or Snowflake Design)

Eight lighting modes: Let your light bulbs flash using eight different lighting modes, including twinkle, slow fade, steady on, and more to create your desired atmosphere. Options: You have the choice to purchase this string light from icicle or icicle and snowflake designs and your pick from 3 light tones such as white light, multicolour, or warm white light.
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100 LED Solar String Lights - Weatherproof Outdoor

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€ 40.62

100 LED Solar String Lights - Weatherproof Outdoor

Waterproof: Features waterproof IP65 meaning you won't have to worry about bad weather, perfect for indoor and outdoor use. LED Lights: Get LED Solar Powered String 100 Bulb Lights.
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Solar LED Yellow Duck Pathway Lights

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€ 19.99

€ 35.39

Solar LED Yellow Duck Pathway Lights

Effortless illumination: Thanks to the 1.2V 800m. Ah battery capacity of these lights, you can enjoy up to 12 hours of vibrant lighting with just 6 8 hours of charging under direct sunlight.
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Solar LED Path Lights - Flickering Flame, Waterproof Outdoor Torch, IP65

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€ 13.99

Solar LED Path Lights - Flickering Flame, Waterproof Outdoor Torch, IP65

Solar light colour: Make your perfect ambiance. Lights equipped with both white and warm light colours so choose your favourite!
Solar LED Colour-Changing Jellyfish Path Lights - IP65 Waterproof Outdoor Lighting

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€ 14.99

€ 34.95

Solar LED Colour-Changing Jellyfish Path Lights - IP65 Waterproof Outdoor Lighting

Efficient power conversion: The monocrystalline silicon panel of these lights enables efficient conversion of solar energy, up to 35% more than conventional panels. Versatile application: These decorative lights are ideal for gardens, patios, yards, flowerbeds, pathways, swimming pools, fountain ponds and more.
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Solar LED Pathway Lights - Weatherproof Garden Stake, 3-Pack, 2 Colours

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€ 12.99

€ 23.26

Solar LED Pathway Lights - Weatherproof Garden Stake, 3-Pack, 2 Colours

Sustainable lighting solution: Powered by high efficiency solar panels, these lights charge during the day and automatically illuminate at night, offering a practical and eco friendly way to light up your outdoor space. Eco friendly garden illumination: Enhance your garden with these energy saving outdoor decorative lights, available in 3 pack options and 2 colours.
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Portable 2-in-1 LED Night Light & Flashlight - Rechargeable, Motion Sensor, Warm White

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€ 14.99

€ 23.50

Portable 2-in-1 LED Night Light & Flashlight - Rechargeable, Motion Sensor, Warm White

Energy efficient and long lasting: Save on energy bills with the efficient design of this light, providing extended battery life for prolonged use. Portable 2 in 1 Night Light and Flashlight: This Portable 2 in 1 Night Light and Flashlight is an innovative 2 in 1 solution for night time illumination and on the go lighting needs.
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LED Battery Powered Floral String Light - 4 Colours

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€ 11.99

€ 23.61

LED Battery Powered Floral String Light - 4 Colours

Safe: This floral home decor light offers a safe and easy way to enhance your indoor space with a battery powered design. Ideal gift: This string light is suitable for both kids and adults, making it a perfect gift for various occasions.
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Solar LED Dandelion Path Lights - Waterproof

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€ 19.99

€ 34.90

Solar LED Dandelion Path Lights - Waterproof

Solar-powered garden lights: Introducing these Solar & Waterproof Dandelion Garden Lights, where enchantment meets functionality to effortlessly illuminate your outdoor oasis. Ultra-bright: Revel in the brilliance of these garden lights boasting a single lamp bead for an ultra-bright glow that effortlessly lights up your garden, patio, or pathway. Long-lasting charge: Enjoy hassle-free charging with a mere 3-5 hours of sunlight bathing these dandelion lights, granting you 10-12 hours of magical illumination throughout the night. Waterproof: Embrace worry-free outdoor enjoyment as these lights feature a waterproof design, ensuring durability against unexpected rain showers and sprinkler splashes.
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Solar LED Motion Sensor Street Lights

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€ 39.99

€ 47.24

Solar LED Motion Sensor Street Lights

Energy saving LED technology: These solar powered lights utilise energy efficient LED technology to maximise brightness while minimising power consumption, extending product lifespan. Efficient solar charging: Enjoy cost effective lighting with efficient solar charging, reducing energy bills while benefiting the environment.
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Solar LED String Lights - Weatherproof & Customisable

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€ 22.99

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Solar LED String Lights - Weatherproof & Customisable

Easy setup and installation: Simply hang these lights in your desired location, and let the sun do the rest. No wires or electrical outlets needed, making it hassle free to brighten up your outdoor space.
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Compact LED Torch - 350 Lumens, Pocket-Size, Adjustable Modes, Energy Efficient Home Lighting

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€ 7.99

€ 9.99

Compact LED Torch - 350 Lumens, Pocket-Size, Adjustable Modes, Energy Efficient Home Lighting

Brilliant Illumination: A dazzling 350 lumens to light up any situation. Versatile Lighting Modes: Three settings: Full, Dim, and Continuous Flash to match your needs.
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Taylor Swift Inspired 3D LED Table Night Light - Remote, Dimmable, 7 Colours, Energy Efficient

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€ 15.99

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Taylor Swift Inspired 3D LED Table Night Light - Remote, Dimmable, 7 Colours, Energy Efficient

Illuminate your space: Transform any room with this mesmerising Taylor Swift 3D LED Night Light, featuring a unique optical acrylic board that creates a stunning 3D visual effect. It's a must have for fans!
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100 LED Solar Firework Outdoor Lights - Weatherproof, Eco-Friendly, Dual Modes

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100 LED Solar Firework Outdoor Lights - Weatherproof, Eco-Friendly, Dual Modes

Vivid illumination: Available in 1 piece or 2 pieces and warm or colourful luminous colours, these lights add vibrancy to your outdoor space. Solar powered delight: These lights illuminate using solar energy, ensuring an eco friendly lighting solution.
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Solar LED Christmas Pathway Lights - Weatherproof Outdoor Candy Cane, Santa & Snowflower Design

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Solar LED Christmas Pathway Lights - Weatherproof Outdoor Candy Cane, Santa & Snowflower Design

Solar powered and tough weather resistant: Place them in your garden; they'll charge during the day and light up at night. With IP65 waterproof design, they endure windy, rainy, and snowy conditions.
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LED Acrylic Penguin Family Outdoor Christmas Lights - Weatherproof, Energy Efficient, Timer Function

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€ 9.99

€ 17.92

LED Acrylic Penguin Family Outdoor Christmas Lights - Weatherproof, Energy Efficient, Timer Function

3D design: The penguin family offers a unique visual appeal with DIY string lights that give a 3D optical illusion. LEDs: The cheerful trio, illuminated by bright white, blue, and yellow LEDs, creates a warm and inviting atmosphere for your home.
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Dazzling 8 LED Light Makeup Mirror - Compact LED Beauty Mirror, Portable, Flip Design, Black

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Dazzling 8 LED Light Makeup Mirror - Compact LED Beauty Mirror, Portable, Flip Design, Black

Power Efficient: Operates on a single 23A battery, ensuring long lasting use. Space Saving Marvel: Just 11cm x 8.5cm x 1cm perfect for small spaces or travel bags.
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Solar LED Modern Outdoor Path Light

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€ 12.99

€ 35.30

Solar LED Modern Outdoor Path Light

Material: Made from a PP material. Solar Powered: Charges automatically during the day and lights up automatically in the evening for six to twelve hours.
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LED Smart Pixel Night Light Bulb - App-Controlled, Energy Efficient, USB Powered

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€ 39.99

€ 58.51

LED Smart Pixel Night Light Bulb - App-Controlled, Energy Efficient, USB Powered

Classy frame: Adorn your space effortlessly with the stylish black matte square frame of this night lamp, versatile for every interior. App control: Connect the LED screen to your phone, enhancing the night light's pixel art display experience with intuitive controls at your fingertips.
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Solar LED Motion Sensor Outdoor Security Light - IP65 Waterproof, 3 Colour Modes

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€ 14.99

€ 46.36

Solar LED Motion Sensor Outdoor Security Light - IP65 Waterproof, 3 Colour Modes

Solar solar security light: Transform your outdoor space with this sleek solar wall washer, seamlessly blending practicality and aesthetics for an enchanting ambience. Effortless illumination: Experience hassle free installation and relocation with this wireless wall washer, providing stunning lighting without the need for complex wiring.
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Set of 3 Micro LED Reindeer Christmas Stake Lights

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€ 29.99

€ 48.18

Set of 3 Micro LED Reindeer Christmas Stake Lights

Good coverage: Each reindeer can be spaced up to 1m apart, giving up to 2m from first to last stake. Let your space look super festive!
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Personal Safety Alarm with Flashing LED Light - Compact Self-Defence Keychain

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€ 9.99

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Personal Safety Alarm with Flashing LED Light - Compact Self-Defence Keychain

Carry clip: The alarm is small enough to fit in your handbag or pocket and features a carry clip so you can ensure it's always within reach. Safety alarm: Get a personal safety self defence alarm with a light.
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Astronaut Star Projector LED Night Light - Remote Control, Space Theme Table Lamp

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€ 22.99

€ 41.13

Astronaut Star Projector LED Night Light - Remote Control, Space Theme Table Lamp

Night Light: A soft night light projection, ideal to go to sleep to! Space Theme: Transform your room into a dreamy spacescape!
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Weatherproof Solar LED Christmas Garden Stake Lights - Outdoor Festive Decorations (4 Designs)

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€ 12.99

Weatherproof Solar LED Christmas Garden Stake Lights - Outdoor Festive Decorations (4 Designs)

Energy efficient lighting: Each light uses only 1W of power, providing bright illumination while being kind to the environment—perfect for eco conscious holiday decorators! Durable and weather resistant: Made from high quality iron and copper wire, these lights have an IP65 protection grade, ensuring they can handle rain, snow, and other outdoor weather conditions with ease.
Set of 4 LED Christmas Tree-Shaped Candles with Optional Remote - Flickering Lights & Clip-On Design

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Set of 4 LED Christmas Tree-Shaped Candles with Optional Remote - Flickering Lights & Clip-On Design

Festive design: Shaped like Christmas trees to instantly enhance any décor. Ultra safe and flameless: No fire, no wax safe for homes with kids and pets.
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Modern LED Pendant Light, 3 Modes, Dimmable, Grey Shade - 900 Lumens, Metal Base

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€ 93.99

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Modern LED Pendant Light, 3 Modes, Dimmable, Grey Shade - 900 Lumens, Metal Base

Energy Efficient LED: 36W dimmable LEDs cut energy use. Long Lifespan: Up to 20,000 hours of use. Generous Size: 59 x 59 x 44cm ideal for living rooms. Adjustable Brightness: Three lighting modes for any mood.
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Handwoven Dimmable LED Sheep Table Lamp - Eco-Friendly Modern Night Light (3 Sizes, USB Powered)

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€ 15.99

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Handwoven Dimmable LED Sheep Table Lamp - Eco-Friendly Modern Night Light (3 Sizes, USB Powered)

Handwoven eco friendly design: Crafted with natural wool in a handwoven design, this lamp is environmentally friendly and adds a unique and stylish accent to your decor. Lamb shaped night lamp: Illuminate your space with this charming lamb shaped night lamp, adding a touch of modern simplicity and warmth to any room.
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Solar LED Motion Sensor Security Light

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€ 19.99

€ 34.73

Solar LED Motion Sensor Security Light

Motion sensor: The handy light is ideal for placing on walls or your garage, switching on automatically when it detects movement between eight and 10 metres. Waterproof: The IP65 waterproof design makes it great for use all year round.
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Solar LED Pendant Light - Indoor & Outdoor

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€ 19.99

€ 34.89

Solar LED Pendant Light - Indoor & Outdoor

Customisable illumination: You can choose between 1 or 2 headlights that are equipped with 30 white LEDs. The angle can also be adjusted for tailored lighting, controlled conveniently via a remote.
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Outsunny 3m Cantilever Banana Parasol with Solar LED Lights, Crank Handle, 8-Rib Frame & Cross Base - Black

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Outsunny 3m Cantilever Banana Parasol with Solar LED Lights, Crank Handle, 8-Rib Frame & Cross Base - Black

Solar powered LED lighting: Built in lights charge during the day and illuminate your space at night—no plugs or wiring needed. Cross base included: Comes with a sturdy base—simply add weights for secure placement.
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Outdoor Boho Hemp Rope LED Fairy Lights - Solar & Battery Powered, Waterproof, 5m/10m Options

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Outdoor Boho Hemp Rope LED Fairy Lights - Solar & Battery Powered, Waterproof, 5m/10m Options

Hemp rope design: A fun and whimsical design perfect for bringing magic to any garden. Hemp rope adds a boho aesthetic to any setting.
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LED Light Travel Makeup Case with Mirror - Portable Beauty Organiser

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LED Light Travel Makeup Case with Mirror - Portable Beauty Organiser

Travel makeup solution: Revolutionise your beauty routine with this LED Light Travel Makeup Case featuring an integrated mirror, adjustable LED lights, and a charging function for on the go glamour. Chic colour choices: Choose from pink or black hues that complement your aesthetic and add a touch of sophistication to your beauty routine.
2L LED Cool Mist Humidifier Table Lamp - Modern Ambient Lighting, Whisper-Quiet, 2L Capacity, Home Decor

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2L LED Cool Mist Humidifier Table Lamp - Modern Ambient Lighting, Whisper-Quiet, 2L Capacity, Home Decor

Ample Capacity: Enjoy up to 10 hours of uninterrupted hydration with a spacious 2 litre tank. Whisper Quiet Operation: A maximum noise level of just 50d.
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Wireless LED Phototherapy Scalp Massager Comb - Cordless, Vibration & Light Therapy, 2 Colour Options

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Wireless LED Phototherapy Scalp Massager Comb - Cordless, Vibration & Light Therapy, 2 Colour Options

Colour: Available in two colours, choose from white or black. Size: 180mm x 47mm x 32mm. Packing list: 1x massage comb. 1x instruction manual. 1x USB charging cable. Massage comb: Get a wireless phototherapy scalp massager comb.
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EMS Microcurrent LED Face Massager - Light Therapy, V-Shaped, Waterproof, Rechargeable

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EMS Microcurrent LED Face Massager - Light Therapy, V-Shaped, Waterproof, Rechargeable

Microcurrent face massager Recreate the professional spa effect in minutes! Portable: Great for travel with its compact dimensions (L 12.5cm × W 7.8cm × H 2.35cm).
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60-Min Multi Step Hydrafacial with LED light & RF - Newelle Beauty, Shoreditch

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60-Min Multi Step Hydrafacial with LED light & RF - Newelle Beauty, Shoreditch

Merchant: Newelle Beauty in Shoreditch is a professional clinic known for its expert practitioners, cutting‑edge treatments, and personalised care. Results: Reveal smoother, brighter skin and walk out with a firmer, more radiant complexion that feels revitalised after just one session.
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LED Christmas Wreath Light Decoration - Red or Gold

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LED Christmas Wreath Light Decoration - Red or Gold

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Mini Decorated Tabletop Christmas Tree with LED Light - 5 Styles

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Mini Decorated Tabletop Christmas Tree with LED Light - 5 Styles

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LED Astronaut Galaxy Star Projector Toy - Remote Control, Ages 3+, Imaginative Space Light

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LED Astronaut Galaxy Star Projector Toy - Remote Control, Ages 3+, Imaginative Space Light

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Easter Island Resin Garden Planter Sculpture with LED Light - Weather-Resistant Outdoor Décor Ornament

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Easter Island Resin Garden Planter Sculpture with LED Light - Weather-Resistant Outdoor Décor Ornament

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LED Facial Massager & Nano Mist Skincare Tool - Hot Compress, Vibration, Red/Blue Light Therapy

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LED Facial Massager & Nano Mist Skincare Tool - Hot Compress, Vibration, Red/Blue Light Therapy

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1-Hour Hydrafacial or Microdermabrasion with LED Light Therapy at Belle Brows and Facial, Dublin

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1-Hour Hydrafacial or Microdermabrasion with LED Light Therapy at Belle Brows and Facial, Dublin

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4-in-1 LED Red Light Therapy Skincare Wand - Anti-Ageing, Microcurrent, Facial Massage, Compact Design (Silver or Pink)

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LED Light-up Flying Pig Christmas Lawn Ornament - Weatherproof Festive Decor, Small or Large

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LED Light-up Flying Pig Christmas Lawn Ornament - Weatherproof Festive Decor, Small or Large

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Solar LED Animal Garden Statues - Weatherproof

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€ 27.99

€ 46.74

Solar LED Animal Garden Statues - Weatherproof

Charming garden decor: Add a touch of whimsy to your outdoor space with lifelike rabbit and cat ornaments that bring life and character to your garden landscape. Easy to install: Installation is hassle free; simply place the statues in a sunny spot, and let the solar panels recharge during the day, providing effortless illumination at night without the need for wiring or additional setup.
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Anti-Ageing LED Light Therapy Face Mask - 7 Colour Modes | Collagen-Activating | For All Skin Types

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€ 24.99

€ 58.41

Anti-Ageing LED Light Therapy Face Mask - 7 Colour Modes | Collagen-Activating | For All Skin Types

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Save 57 %!
1hr Chemical or Herbal Green Peel with LED Light Therapy at Belle Brows and Facial, The Liberties, Dublin

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€ 150.00

1hr Chemical or Herbal Green Peel with LED Light Therapy at Belle Brows and Facial, The Liberties, Dublin

Treatment: Experience a 45 minute herbal green peel designed to naturally exfoliate and brighten your complexion, followed by soothing LED light therapy. Location: Conveniently located in Dublin. Availability: Valid Tuesday. Saturday, 12pm 7pm.
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Solar LED Emergency Hand Lamp - Portable, Dimmable, Rechargeable

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€ 19.99

€ 30.46

Solar LED Emergency Hand Lamp - Portable, Dimmable, Rechargeable

Emergency Ready: Built in emergency function ensures reliable lighting during power outages. Durable Build: Robust ABS construction withstands daily use and outdoor adventures.
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Solar LED Rabbit Garden Statue with Bird Bath

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€ 29.99

€ 46.82

Solar LED Rabbit Garden Statue with Bird Bath

Versatile: This solar garden ornament is the perfect addition to your lawn, patio, or garden. Solar powered LED light: Equipped with a built in LED light powered by a solar rechargeable battery, this garden ornament automatically turns on at night and off during the day for eco friendly lighting.
Save 36 %!

Discover Wowcher UK’s best deals on 40W LED grow lights and complete indoor gardening kits, designed to power herbs, vegetables, and flowering plants with efficient, full‑spectrum light.


Whether you’re growing in a compact desk‑top setup, a grow tent, or a greenhouse, these 40w LED grow lights deliver robust PAR output, low heat, and energy efficiency. From seed starting to mature plants, you’ll find flexible options including dimmable models, timer controlled systems, and daisy-chain ready fixtures for larger installations.


Unbeatable Deals on 40W LED Grow Lights and Indoor Garden Essentials


Find listings for 40w led grow lights, 40 watt LED grow light, full spectrum LED grow light, plant grow light, indoor garden lighting, hydroponics lighting, seed starting lamp, herb growing light, vegetable growing lamp, LED grow panel, LED grow light with timer, dimmable grow light, Daisy chain LED grow light, IP65 waterproof grow light, and more. Our partners often offer promotions such as bundled grow tent kits with lighting, free shipping, promo codes, and regional discounts to maximize value.


Whether you’re cultivating leafy greens, tomatoes, peppers, herbs, or decorative houseplants, these grow lights come with specifications like full spectrum from blue to red wavelengths, high PAR output, and adjustable heights to suit different plant stages. At checkout you’ll see clear details on lumen, spectrum, power consumption, and warranty, helping you compare options quickly.


Frequently Asked Questions about 40w led grow lights

What is a 40W LED grow light and what is it best for?


A 40W LED grow light is a compact, energy‑efficient option ideal for small grow tents, windowsill gardens, or seed starting trays. It provides enough PAR for herbs like basil and mint, leafy greens such as lettuce and kale, and young seedlings. For best results, position about 15–40 cm from the canopy depending on plant stage and switch to a higher intensity as they grow.
Look for a full‑spectrum or balanced blue/red mix, with a reliable timer and sunlike spectrum. If you’re growing in a cabinet or shelf for herbs, a 40W light is often enough when paired with reflective surfaces and good air circulation.

How do I choose between full-spectrum vs bloom‑focused or red‑blue spectrum?


Full‑spectrum LEDs deliver a balanced mix of blue and red light to support germination, vegetative growth, and flowering. Bloom‑focused or red‑only options can be useful for flowering stages. For most home setups, a 4000K–6500K white spectrum with additional red channels provides versatile growth. Check PAR output and photosynthetic photon flux for your plants.
If you’re growing seedlings, aim for cooler light (higher blue). For fruiting vegetables or flowering herbs, add red wavelengths or switch to bloom mode if available. Many 40W units are dimmable or have multiple channels to tailor spectrum as plants progress.

Can I connect multiple 40W LED grow lights together?


Yes, many 40W LED grow lights support daisy‑chain connections or are compatible with grow light controllers. When linking several units, ensure your power supply capacity matches the total wattage and check that the fixtures use compatible connectors. This setup is common for larger grow tents or greenhouse shelves.
Keep spacing consistent and monitor heat. Use adjustable hanging kits or shelf mounts to maintain even light distribution across the canopy. If you’re using a timer, program on/off cycles to mimic day length for your plants.

What about heat, energy use, and safety?


40W LEDs run cooler than many traditional grow lamps, helping keep indoor spaces comfortable while consuming modest electricity. They typically have good heat dissipation via heatsinks and fans, but placement still matters to avoid scorching leaves. Look for CE/ROHS certifications and IP ratings if moisture is a concern in humid grow tents or kitchens.
Choose dimmable models with timers to align with your daily schedule and to maximize energy efficiency. A well‑designed fixture reduces energy waste while supporting steady growth from seedlings to mature plants.

Which other products are commonly bought with 40W LED grow lights?


Many buyers pair 40W LED grow lights with a grow tent or cabinet, reflective grow tent liners, adjustable hanging kits, and timers. Additional essentials include seed starting trays, propagation domes, humidity domes, and ventilation fans to manage airflow. For nutrient‑driven crops, hydroponic systems, growing media, and plant nutrients help maximize yields. Retailers often offer bundles that include power strips, daisy chains, and water‑resistant power adapters.

How do I set up a 40W LED grow light for seed starting vs growing mature plants?


For seeds, position the light closer to the tray (around 15–25 cm) to promote compact, sturdy seedlings with short internodes. As plants develop, raise the light to 30–40 cm to prevent stretching. Use a timer to provide longer day lengths during germination and reduce light intensity a bit as plants enter vegetative growth. Seed starting works well with cool white or balanced spectra and higher blue content for robust root development.
For mature plants, adjust height to keep intensity appropriate for the canopy, and consider switching to a mixed spectrum that supports flowering. Regularly monitor leaf color and stretch to fine‑tune the setup. If you’re running a grow tent, ensure there’s adequate air flow and that the light fixtures do not overheat the plants.

Do Wowcher deals on 40W LED grow lights include warranties or return options?


Most Wowcher listings include standard warranty and a return policy determined by the seller. Look for terms like 12‑month warranty, returns within 14–30 days, or replacement parts for defective LEDs. Always review the listing details for delivery, warranty, and return instructions, and keep your Wowcher confirmation handy for any after‑sales support.