COODIA Aquarium Hood Lighting Color Changing Remote Controlled Dimmable RGBW LED Light for Aquarium/Fish Tank, Extendable (for Fresh and Salt Water) Multiple colors and multiple lighting modes.This light is beneficial to grow plants. With extendable bracket to adjust the length to fit your fish tank,fits tank 30cm--50cm in length Dedicated and professional power supply design, more energy-efficient,over 10000 hours lifespan 2.4G remote technology is updated on July 15, no longer requests point the remote straight to the receiver. You can even control the light through a wall. High bright LEDs and dimmable with remote control Easy to use, just put it on the top of fish tank and plug into the power. Ideal for freshwater and seawater