High pressue die-casting aluminum housing and be treated by externally electro-static spraying 5 mm thickness tempered glass,0.27 mm high purity aluminum reflector Compact lights fixture, beautiful molding, firmness and durability, symmetrical and asymmetrical light distribution Operating Voltage:110-130V/60Hz; 220-240V/50Hz Lamps:MH/HPS 250/400W,E40. IP rating: IP65 .