... combination or bat beaming1. 50,000+hours average lifespan2,5years of continuous use3. 96% optical/reflector efficiency4. 9-36 Volt DC ... Input5,100%optically clear6. GE LEXAN lens7,Instant on/off, no warm-up8. Operating Temp: -40 ~ + 155 deg9 ... certification17.Usage: ATV, SUV, Project vechicle, off road , 4x4 ,mining vehicle , heavy equipments Truck, Jeep, Motorcycle, Boat etc ModelLengthL.E.D ...