... *3W Epistar ;10-30V;IP67;widely used in off-road,Agricultural,Engineering & Construction machinery truck FEATURE:1.Die-casting aluminum ... .4.Back of the housing has large cooling ribs for optimized heat dissipation5.Reverse battery and over-voltage protection6. ... is widely used in Automobile and off-road vehicles,Engineering vehicles(excavator,treedozer,road roller,bulldozer,crane and mining truck etc ...