Dream Lighting 12v LED Utility Porch Ceiling Dome Light with Switch  - Warm White, Replacing Incandescent of Auto, Motorhome, 5th Wheel It only consumes 3Watt to produce high brightness to save the vehicle battery. Integrated on/off rocker switch is easy to operate. The whole light is made of fire resistant PC materials. Heat dissipation is not a problem. It will ensure safe use and long diode life. Easy installation! Surface mount design provides great convenience. Only 2 mounting screws are required. Wiring: black wire for positive and white wire for negative/ground. One year warranty! A nice light for 12volt DC applications: porch lights, ceiling lights, cabin lights, cabinet lights for caravans, motor home, camper trailer, marine, boat, etc.