UPGRADED LED BEADS: The upgraded RGB LED beads are brighter than others, long lasting and energy efficient; The upgraded suction cups provide you with endless possibilities on how to use these lights; Waterproof can be fully submerged in water.BUILT-IN TIMER: The aquarium light features a built-in timer and 3 timed durations that come on and go off at the same time every day, on for 4, 8 or 12 hours. No need to purchase additional timers.REMOTE CONTROL: Featuring 16 solid colors, 4 different light modes, 4/8/12 hour light cycles, red, green and blue adjustments, and favorite color saving, the wireless remote control allows you to dial in any color you want, change the intensity, adjust the speed of the color change, and turn the light on/off on demand.Submerged or above the surface, brightly illuminate your fish with the dazzling colors of your choice, each color is individually adjustable for endless custom color mixing.AQUARIUM BACKGROUND LIGHT: Take your underwater landscape to the next level by installing LED lights behind your aquarium, with background lighting that creates breathtaking sunsets, vivid coral reef shores, or highlights underwater caves.