2020 UPGRADED RECHARGEABLE SUBMERSIBLE LIGHTS: These upgraded submersible leds with remote control can be flexibly and easily powered via any power source with indoor/outdoor USB port (USB cable included). Most important: save much more than other led aquarium lights which need battery replacement. Ideal rechargeable spa lamp, usb rechargeable jacuzzi led, spa lights. IP68 WATERPROOF LIGHT: Designed with 2 sealing rings (external o-ring and inter seal) and with huge technology breakthrough in waterproof quality, our underwater lights have unique IP68 waterproof design and can sufficiently withstand up to 20 meters in water. Please make sure the two sealing rings are properly inserted into the grooves and the cap is screwed on correctly and tightly before placing the decorative lights in the water. RF REMOTE CONTROL AND ENHANCED FUNCTIONS: Signal 3 times stronger than infrared, penetrates walls, control range 80-100 feet in the air. Recommend to use in less than 2 feet of water to
