... to dissipate heat rapidly, Longer life span.3.IP68,can work under water and any severe environment.4.DC power supply ... system,can be adapted to any vehicle,ship and field work environment.5.Using brand high power Led,the light effect ... lamp, which make it sturdy ,durable,hard to corrode. ApplicationLED work lamp for tractor,Truck, boats,farming,mining,forklift,off-road ...