【Material and unique design】- Hot tub light is used quality food grade PS material for outer shell, and innovative appearance of this submersible LED light is along with 13 ultra-bright LED chips to make the lights more bright . 【IP68 waterproof】- Fully waterproof IP68 for fish tank lights, so you can place them underwater, whether it is inside your swimming pool, outdoor pond, fish tank, vases, bowls, or any other container really and use them to decorate their surroundings . 【Function】- The diameter of led waterproof light is 7cm with 13 leds and 16 kinds of flashing multi color mode; adjustable bright; time setting,along with RF remote,the control distant is 164FT/50M (in air), 16.4FT/5M (in water) meters. The difference between RF and Infrared remote control is that RF remote control is not required to aim at product, but infrared remote control must be aim at .The control distant of RF remote is longer than infrared remote control . 【Applicable scene】- Both dry place and