How much energy do they use? is it expensive to run? thank you Marta

I pay 20p per kwh with my supplier, 2x5w = 10w 10w x 24hrs =240w per day 240wx4 days =960w so nearly 1kw 4 days ÷ 20p = 5p per day Hope this helps.

Can i get longer connector cable? If so what is it called?

Not sure if you can buy a longer cable to link the two leds but any electrical shop should be able to make you one up as the connection end is a kettle lead hope that helps

Will this LED light harmful if they are used indoor such as living room?

So long as you position them is such a way that you can't look directly at the LED's themselves, these would be reasonably safe. I say reasonably because I'm not too sure what the long term effects of looking at the reflected light is, particularly on reflective or white surfaces, but it's probably not great over constant exposure. Bear in mind the lights are very bright and noticeable compared to anything else you will likely have in your room.

Can I attach a third bar? I have a spare bar and connecting lead

yes you can daisy chain these led lights.. low voltage so all works off same plug.. as long as you have the extra lights and the leads with 2 mini male connections each end.

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T5 1FT LED Grow Light for Indoor Plants, 2 Pack Linkable Red/Blue Spectrum

Product ID: 114587700

Details

Base material
Aluminium
Bulb base
Wedge
Finish type
Painted
Item weight
0.38 Kilograms
Product dimensions
2D x 30W x

🔗Link up to 12 tubes seamlessly

🔴18 Red LEDs for peak photosynthesis

🔵6 Blue LEDs boost chlorophyll synthesis

£29.07

Duties & taxes included

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Description

🌱 Light up your indoor jungle with pro-grade grow power!

MODULAR EXPANDABLE - Connect up to 12 tubes with included cables & connectors for custom setups.
POWER PACKED SPECTRUM - Dual red & blue LEDs optimize every growth stage from seedling to bloom.
PLUG PLAY SIMPLICITY - Easy installation with adhesive pads, screws, and cable ties—no hassle, no tools.
ENERGY SMART EFFICIENCY - 5W low power consumption delivers bright, targeted light without hiking your bill.
VERSATILE INDOOR GROWTH - Perfect for home, office, or greenhouse—accelerate growth of herbs, veggies, and flowers.

The T5 1FT LED Grow Light 2-pack features 24 high-brightness LEDs per tube (18 red + 6 blue) designed to maximize photosynthesis and chlorophyll synthesis. With a durable aluminum body and clear PC cover for heat dissipation, these 5W lights operate on AC85-265V and can be linked up to 12 units for scalable indoor plant growth. Easy to install with multiple mounting options, they are ideal for accelerating growth of a wide variety of indoor plants, from seedlings to flowering stages, in homes, offices, and greenhouses.

Specifications

ASIN	B07PKSG12N
Age Range Description	Adult
Base Material	Aluminium
Best Sellers Rank	31,604 in Garden ( See Top 100 in Garden ) 83 in Plant Growing Light Fixtures
Brand Name	Tekmelau
Bulb Base	Wedge
Bulb Shape Size	T
Colour	Blue,red
Connectivity Technology	USB
Control Method	Push Button
Controller Type	Push Button
Country Of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (714)
Efficiency	E
Finish	Painted
Fixture Features	Lightweight
Included Components	Adapter, Bulb, On-Off Switch, Power Cable, Screw
Indoor Outdoor Usage	Indoor
Installation Type	wall-mounted
Is Product Cordless	No
Is Waterproof	false
Item Dimensions D x W x H	2D x 30W x 3.5H centimetres
Item Shape	tube
Item Type Name	plant light for indoor plants
Item Weight	0.38 Kilograms
Lamp Type	LED Grow Light
Lighting Method	LED
Manufacturer	MRD
Material	Aluminium, Plastic
Model Number	2xTL-ZWT5
Mounting Type	Wall Mount
Number of Items	2
Number of Lights	24
Number of Pieces	1
Power and Plug Description	Corded Electric
Recommended Uses For Product	Plant Growth, plant shelf
Room Type	Greenhouse, Living Room, Office, Patio, Plant shelf
Shade Colour	red
Shade Height	35 Millimetres
Shade Material	Aluminium
Specific Uses	Plant grow
Style	Modern
Switch Type	Push Button
Type of Bulb	LED
Unit Count	2 count
Voltage	230
Wattage	5 watts

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