Type: Led Marker Light Light Source:LED Size: about 3.75inch as the picture show Voltage: 12V-24V Universal For Any 12V 24V Vehicles Heavy Duty trucks Application: Suitable for truck, UTE, trailers, semi truck, caravans, campers, buses, , lorry, car, suv, rv, boat, bulldozer, crane, etc [Easy Installation] Black wire is negative, red wire is positive. Each light features a single color. [Wide Application] These watermelon lights can be installed on bumpers, air purifiers, marker lights, or glow lights, offering versatile usage options. [IP65 Waterproof] Sealed ABS lens with a metal border protects your lights from water, sand, dust, rain, snow, and more, ensuring safe and clear marking. [Universal Voltage] Voltage range: 12V-24V. Suitable for most semi-trailers, heavy-duty trucks, and multi-purpose vehicles. Compatible with like for , for , for , and more. Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Color: A:Red Material: plastic Package Contents: 2 * Lights 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.