Aquarium LED Light 48"-56" with Timer, 24/7 Cycle, 5 Dimmable Brightness, Sunrise/Sunset Simulation for 10/20/30/55 Gallon Fish Tank

Built-in Timer: You can set your desired time period by this mode.This fish tank light has a 6,8，10 and 12 hour Timer setting. The light will be off except setting time to avoid algae and also good for energy-saving. DIY Mode: Color and intesity level can be selected manually according to your demand."Color cycle" is available after yellow, and it will cycle through all the colors and create a romantic atomosphere. 5 Adjustable Intensity: The aquarium light intensity of each color can be adjusted. Different intensity to fit for different plants requirement. Ultra Slim Aquarium Light with Extendable Bracket: Sliding brackets allow quick and easy adjustments to fit most rimless and framed aquariums. Each side is 8 inches extendable.