This item works on All 12V or 24V vehicles.No pollution, no noise, no electronic interference.Low Consumption. Energy-saving. Long Lifespan.IP67 Waterproof, compact and light weight, easy to use.Fit for road vehicle, ATVs, truck, engineering vehicles, forklift, trains, boat, marine, bus, and tanks, etc.Product Name: Beacon LampLED's Quantity: 12LEDs per lightSize: 11.3x4.2cm()Type: 4x12 LEDLight Color: AmberNotes: Instruction is not included.Professional Installation Is Highly Recommended!!colour: blackMaterial: plastic + aluminumPackage Contents:4 x Flashing Lights1 x Main Control Box4 x Rubber Mats1 x Part accessoriesDue to different batches, accessories styles are slightly differentOnly the above package content, other products are not included.Note: Light 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.