1. Use super bright LED chip from Epistar or CREE. 2. Rigid housing, waterproof and ... : 4×4, ATVs, SUV, UTV, truck, Fork lift, trains, boat, bus, and tanks2. Engineering vehicles: Excavator, dozer, road roller, bulldozer, crane ... ), By Air, by sea are optional.Specifications:Picture details: offroad LED light bar for 4X4, ATVs, SUV, UTV