Detailed Product Description high bay lamp,lighting fixture,electronic high bay lightingOperating Voltage:110-130V/60Hz,220-240V/50Hz Matrial:Die-casting aluminum gear box Aluminium reflectorLamp holder: E40Wattage: MH250-400W/ HPS250-400WFinishes:Black, Silver (gear box)Packing: Gear box: 37*35*36cm/4pcs Reflector:50*50*36cm/10pcs