RGB Multicolor Color Changing -which allows you to create moods on various lighting effects, including color transition, fade, change and jump. Light up the entire pool with fabulous color changes. The remote control distance is approximately 2-10m, and works with 2 MN21 batteries (not included). Exceptional Durability - This PAR56 pool light combines ultra-thin panel technology with LEDs. The housing is made of high quality corrosion resistant polymer, filled with epoxy resin inside, which gives it very high resistance to cracking, heat and chemical corrosion, 100% waterproof. Maximum Safety Voltage - 12V low voltage output ensures the safety of underwater lights. During testing and installation, be sure to provide the 12V AC/DC transformer necessary for proper operation. (Excluding transformer and waterproof connectors) Reliable Quality - All swimming pool spotlight bulbs undergo rigorous high temperature testing and IPX8 underwater testing before being shipped. Easy Installation - Mounting on flat surfaces, no niche required, no nozzle. Fully compatible with salt and chlorinated water, ideal for liner and concrete pools. Note: Due to manual measurement, the size may have an error of 2 cm/1 inch; Due to different displays and angles, the color and size may be slightly different, thank you for your understanding! HANBING welcomes your purchase! We look forward to showing you your shopping experience.