LHB11 HiProof Premium LED Tri-proof Light .LHB11 is a high quality and durability water-proof, dust-proof and corrosion-proof LED Lighting Product. It could be used in a wide variety of industrial and commercial environments such as car wash operations, maintenance areas, parking garages, stairwells and warehouses. It can be link-able, dimmable, with motion sensor and emergency working.