1. Optimal Lighting for Mobile Environments,Upgrade your RV, , truck, or boat with this LED ceiling light. 2. Designed for versatility and durability,It features a dimmable function allowing you to adjust the brightness to your comfort level. 3. Waterproof and ,Crafted to withstand the elements, this ceiling light is waterproof, making it ideal for varying weather conditions, ensuring and reliability on the road or at sea. 4. Easy Installation,This lamp comes with all necessary fittings for a straightforward installation, making it a practical choice for immediate enhancements in lighting and ambiance. 5. Scope of application,yacht / RV / bus interior ceiling, corridor decorative lighting, indoor underground decoration, turning and stair lighting. Scope of application: RV/ship Diameter: 150mm Light Color: Warm light Color Temperture: 3000-3300K Voltage: 9-30V Colour:Silver Material:PC Package Contents: 1 * Ceiling Dome Light with Mounting accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.