Function: With waterproof function, it can be used in park fountain, pool, aquarium and glass vase etc. With a remote control, remote control your favorite colors as you like to meet your light need in a variety of scenarios. Specially designed LED beads, low energy consumption, and the light is soft that won't hurt your eyes. Easy to install, suitable for home, weddings, parties, entertainment venues and other decorations. Decorative lamp shell adopts high-quality PS material, this product is sturdy and durable. Specification: Item Type: Underwater Light Material: PS Color: As Picture Shown! Size: approx. 7 x 2.6cm / 2.8x1in (D x H) Weight: Approx. 194 g / 6.8 oz LED: SMD5050 RGB 3 in 1 full color LED light Remote control battery: 1 x CR2025 150mah button battery (included) Waterproof: IP68 Quantity: 2 lights 1 remote control Instructions for use: The product must use the remote control to control the product to change the color of the light. The maximum control distance of the remote controller is 8m; after installing the product with the battery, you need to tighten the top two and the bottom two threads, and the black waterproof rings cannot be twisted out. To get the waterproof effect; different color brightness time is different, e.g. long bright white light about 10 hours, the battery will be discharged in case of prolonged electrolyte leakage, it is recommended to replace the batteries of a better quality (the electrolyte will corrode the clothes and damage the skin, do not throw away used batteries to avoid environmental pollution). Package List: 2 x underwater lighting (no batteries) 1 x remote control 1. Thanks for understanding. 2. 3. After replacing the battery, be sure to tighten the back cover to prevent water leakage. Please be aware of: