Voltage/Frequncy: AC 220V 50Hz (Inductance Power supply)Lamp spec: HMI_2500W/HMI_1200W/HMI_575WLamp life ecpectancy: 1000 hours (light declines after 600 hours)Color temperature: 5600° KLight beam angle: 30° Horizontal: 110° scanVertical: 15° Shell of the machine: aluminum alloy , plate shell with insulate lacquerProtection level: IP44