Feature: 1. Smart Control: Controller supports to control RGBW, RGB, easily switch the mode you need, providing you with an excellent using effect. 2. Easy Connection: Using WiFi and Bluetooth to connect with the controller, and easily control and adjust the light through for Smart Life APP. 3. Wireless Working: Even if you are sailing in the ocean with no signal, you can control the RGB lights on your boat or yacht at will. 4. Excellent Performance: Sensitive control and reliable performance, the bright colors give you an exciting lighting experience. 5. High Efficiency: Control distance within 10 meters/393.7in, working voltage is 12V/24V, input and output voltage is DC 5 ‑24V, stable and high working efficiency. Specification: Item Type: Underwater Light Bluetooth ControllerMaterial: PlasticControllable Color: RGB/RGBW Control Distance: Approx: within 10 meters/393.7in Operating Voltage: 12V/24V Input/Output Voltage: DC 5-24V Maximum Output Current: 16A Application: RGB/RGBW underwater light controller . Package List: 1 x Controller Note: The optimal number of controls for a controller is 4 RGB or RGBW underwater lights.