Magnetic base for easy attachment to roof High-quality, bright bulbs Instant lighting with no delay, helping to prevent rear-end collisions Power ON indicator light Easy installationsimply attach the light to the roof (plug not included) Waterproof design Equipped with a large, stable chip Condition: Voltage: DC 12V Rated Power: 5W Current: 10A Dimensions: 29cm x 14cm x 10cm Wire connections: Blue wire Positive White wire Negative Compatible with all vehicles operating at 12V Note: No instructions are included. Professional installation is highly recommended Color: Yellow Material: ABS Package contents: 1 x Roof Top Sign Light Only the items listed above are included; other products are not Note: Lighting and display differences may cause slight color variation between the image and the actual item. Measurement error allowance: +/- 1-3cm