... efficient 3. Long Lifespan 4. Water-proof, shock resistant and anti-corrosive 21" 54W LED Engineering Light Bar SM6011-54 ... W/G.W:19/ 21KGSApplication:Offroad vehicle, ATVs, truck, engineering vehicles(excavator, treedozer, road roller, bulldozer, crane and ... fire engine, police cars, rescue vehicle, communication vehicle, military command vehicle)forklift, trains, boat, bus, and tanks. Single Row ...