1.WaterproofThese submersible LED lights are made of waterproof material, with a waterproof design, suitable for lighting any container full of water. 2.Remote ControlEquipped with 1 remote control for lights. Brightness and speed are adjustable. With these unique lights, it's easy to add colorful light effects to your decor. Place it anywhere you want to light it up and absolutely give all your party guests a wonderful ambience and a unique romantic feel. 3.Battery functionPowered by battery. Provides high current for lighting. The battery is replaceable. These mini underwater lights are reusable. 4.Popular ApplicationHL diving lights are widely used in special occasions such as festive celebrations, birthdays and anniversaries, DIY projects, schools, backyards, bars, home decoration, Christmas, wedding parties, beaches, etc. 5. [Safety] No smoke, no open flame, no heat, avoid the occurrence of flame ignition.