The remote control range of this underwater light with RF remote control is farther and deeper, 164ft/50m in the air and 8.2ft/2.5m in the water.The infrared remote control can only control within 2 feet, and one remote control can control multiple lights without aiming at the lights.We use this updated RF remote control to avoid signal blocking in large and deep pools or through walls.Note: Swimming pool water will absorb a lot of signals. Please approach the control lights within 16.4ft / 5m (including the distance between water and air).Features:1. With magnet and suction cup: The diving light has a powerful magnet and suction cup, which is very convenient to use.2. IP68 waterproof: The upgraded full waterproof structure can work well in wet and dry places (such as swimming pool lights, pond lights, boats, foundations, aquariums, fish tanks, etc.).3.13 LED, 40 hours long display, brighter and more durable4.16 colors, multiple options, dimmable pool lights: optimized 16 dynamic colors, multiple modes (flash, fade, smooth), added 3 timer buttons (2h, 4h, 6h),The dimmable function can provide you with more choices and create a more beautiful atmosphere, which is very different from other underground swimming pool lights on the market (6 colors, fewer flash mode options).5. Wide application: suitable for swimming pools, ponds, boats, foundations, aquariums, fish tanks, vases, flower pots, waterfalls, bathtubs, hot tubs, corridors,Basement, garage, state, wedding, event, party as indoor and outdoor decoration lights, atmosphere lights or night lights.Specification:Type: Pool LightSize: 70 * 28mmMaterial: environmentally friendly plasticLED light source: 13 RGB super bright LED chipsWaterproof rating: IP68Battery: 3 AAA batteries per bulb (not included)Signal range: 20m Package:desk lampremote controlsuction cupsNote:1.Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)2.The color of the actual items may slightly different from the listing images due to different computer screen,3.Thanks for your understanding.