Magnetic Base (Easy Attach to Roof) High quality and bright bulbs. No delay in lighting, much safer, prevent the danger of rear-end collision. Power-on indicator light. Easy installation, just fix the lamp on the roof (plug is not included). Waterproof and sunproof. Adopt large and stable chip. Condition: 100% New Voltage: DC 12V Rated Power: 5W Current: 10A Size: 29cm * 14cm * 10cm Wire Connection: Blue - Positive White - Negative Fitment: Suitable for any type of vehicle with an operating voltage of 12V Note: There are no instructions included in the kit. Professional installation is highly recommended! Color: Yellow Material: ABS Package Contents: 2 * Roof Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.