Bright LEDs with 5 colors, full spectrum LEDs and makes phycophyta vivid 3 optional control modes: All LEDs On / Only Blue LEDs On / Close. 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 . Aluminium alloy shell, much durable than those lights made of plastic. Recommended for both freshwater and saltwater tank. Note: This listing is optional for 78 LEDs/ 129 LEDs/ 156 LEDs Aquarium Light!