... service life 50W, 70W, 100W, 120W4)Isolated LED lamp compartment,CC-CV (constant current -constant voltage) power ... overcurrent, open circuit, and short circuitExposed fastenerStainless steelLamp Lamp specificationCREE plural white LED modulesLamp power (W)50W, 70W ... Φ10~ Φ14 (mm) Energy-saving description NameHigh pressure mercury lamp 250WBAT86-120Rated power (W)250120Working current (A)2.15/ ...