IP 68 WATERPROOF: The LED Diving Light is waterproof and works well in both wet and dry locations. All water tanks are LED lights made of high quality waterproof materials, and there is no risk of water leakage when the lid is tight. RF remote control and sleep timer Standby: Unlike traditional remotes, the RF remote is up to 16 feet underwater and up to 66 feet in the air. Even if there is an obstacle between the remote control and the LED light, the remote control can operate easily. You can choose from 2 hours, 4 hours or 6 hours of auto-off timer function. 16 colors and 13 LED light beads: Each underwater light has 13 LED light beads, providing a brighter effect, lasting more than 20 hours than usual 10 LED lights. The underwater light offers 3 dynamic color changing modes and 16 different colors. These LED pool lights are made of sturdy PS material and powered by 3 AA batteries (not included). MULTIPLE INSTALLATION OPTIONS: the pool light comes in an oversized design (diameter: 3