With Timer+ On/Off Button: With an easy to set timer, you can freely adjust the lighting time (6H/9H/12H/24H) of the LED light. Additional on/off buttons make operation easier.<br>30 cm WRGB multi-colour fish tank LED light: a total of 33 LED beads: 22 white + 4 rod + 3 green + 4 blue. The full spectrum design meets the needs of plant photosynthesis.<br>Extendable/Sturdy Brackets: the brackets of this aquarium plant light can be attached to each end by approx. 10 cm. Unique bracket feet make the LED light more stable on the aquarium. White holder accessories can be used for frameless aquariums (thickness &lt;0.76 cm); metal bracket can be used for framed aquariums.<br>Note: This LED light is not waterproof. This product comes with a 24 month warranty.<br>Application: full spectrum aquarium LED light is suitable for aquariums with a length of 30-50 cm. 10W, about 1500 lumens, super bright, for freshwater or plants.