Battery-Powered LED Pond LightsEach RGB light is powered by three AAA batteries (batteries not included). Wireless and secure. These LED lights are energy efficient and support up to 20 hours of continuous lighting, helping to save you money. Easy toreplace when the battery runs out. Rechargeable batteries are recommended Submersible LED Swimming Pool Light with Remote ControlIP68 waterproof summer slide LED light, use submersible LED light as decorative light to add special elegance and comfort to your home, suitable light for both wet and dry places like swimming pool,Pond lights, boats, foundations, aquariums, fish tanks, vases, flower pots, waterfalls, bathtubs, hot tubs and hallways. Powerful Remote Control RangeUnderwater lights with remote control have a farther and deeper remote control range in the water, up to 16.4 feet/5 meters, instead of other lights within 2 feet. Plus, one remote can control multiple lights, just pointat the light of your choice. We used this updated remote to design a more colorful and layered atmosphere. NOTE: Swimming pool water absorbs a lot of signal, please approach the control light within 16.4ft/5m (including water to air distance).