describe Long Range RF Remote Control: The swimming pool light with RF remote control has a wider and deeper long-distance range, up to 20M/66FT in the air and 16.4FT/5M in the water. The signal is strong, and the remote control can control multiple Light up at the same time without pointing at the light. When using underwater, stay close to the lights and keep them under control. Dimensions: diameter 8 cm, height 3.5 cm LONG WORKING TIME: These LED pool lights are powered by 3 AAA batteries (not included), which are more energy efficient than ordinary lights on the market that use 3 AAA batteries, and can provide a longer working time. IP68 waterproof design: The specially designed inner and outer double-layer rubber sealing ring improves the sealing performance and provides a stronger sealing function than similar products in the market. You can immerse yourself in the colorful pool lights Don't worry about the water will damage the battery in water. Wide Applicability: The colorful pool lights are easy to install, with newly designed strong magnets and large suction cups, they can work well in both wet and dry places. Suitable for swimming pools, spas, bathtubs, ponds, fountains, aquariums, Aquarium, vase, garden, wedding, party and more. Shipment Quantity: 2 pieces