... 150w,20100CM2 cooling area 2) 580mm*420mm 3) E39/E40 base,IP65 4)CE & RoHs LED bulkhead lamp ... .2, 20100CM2 cooling area.3, Supporting 150W lamp's cooling.4, Compatible with E39/E40 ... 6500KLife Span 50000 hours LED bulkhead lamp/ led mining lamp features1, Compared to traditional LED heatsink ... patent protection(included the oppearance).LED bulkhead lamp applications Widely used in factory, supermarket, ...