Premier Emergency LED Strobe Lights Bar for Offroad Car Truck Warning Hazard Flash Grille and Surface Mount Light - Red 4-LED

18 Flashing Modes Emergency Warning Light Quantity Options 2 x Red 4-LED ST1 Series Emergency Strobe Light Bar (2 x Pads + 4 x Mounting Screws) 4 x Red 4-LED ST1 Series Emergency Strobe Light Bar (4 x Pads + 8 x Mounting Screws) ***Please check for the size before purchase*** Wiring Method ​(3 wires connection, Black for Negative, Red for Positive and Yellow for Brake Light Negative) You can use the yellow wire to touch the red wire to get the light pattern you want, Loosen the yellow line and then connect it. The light pattern will be change Compatible with Universal fit all 12V vehicles Off-road vehicles, ATVs, trucks, engineering vehicles (excavator, tree dozer, road roller, bulldozer, crane and mining truck, etc.) Special vehicles (fire engines, police cars, rescue vehicles, communication vehicles, military command vehicles) forklifts, trains, boats, marines, buses, and tanks LED Features Application: Truck, Pickup, Off-road, ATV, UTV, SUV, VAN, RVs, Forklift, Boat, Marine