Material: IP 68 waterproof material, suitable for any water container lighting. 4.5V low voltage and low heat generation, no need to worry about overheating. Super bright 11 LEDs: 4 dynamic color-changing modes, 16 different colorful lights, 6 different horse racing modes, and 3 timing options, allowing you to use it without worry. (Note that the light does not come with a battery, you need to configure it yourself) Wireless 21-button remote: Powered by 3 AA batteries (included) Three: Adaptation range Suitable for stage, discos, shopping malls, jewelry stores, showrooms, showcases, cabinets, museums, shops, household light bulbs and other occasions. Four: safety and environmental protection No heat, avoiding the occurrence of open flames and fires. Can be used as a night light or for other decorations. Having it adds another flavor. how to use: Step 1: Unscrew the cap. Step 2: Put 3 AA batteries (not included) into the battery compartment. Step 3: Tighten lightly to make it completely waterproof. Step 4: Turn on the remote control, point the LED light to select the desired color and mode.