Koval Aquarium Lighting Fish Tank Light Hood with Extendable Brackets, White and Blue LEDs Bright LEDs with 5 colors, full spectrum LEDs and makes phycophyta vivid Extendable bracket makes LED light fits different size aquariums in extendable range High-quality LEDs, can be used at least 50000 hrs If one of the LEDs is not working by being misused, the others would not be affected (But other cheaper ones will be extinguished lots of LEDs and can't be used any more) High efficiency, low energy dissipation, save cost, extend LEDs life span