Voltage:220~240V Frequency: 50Hz-60Hz power: 450W/900W or 600W/1200W this electricity consumption of the carbon fibre heater will be less than a half of the existing heat source(halogen tube or electric wire) this heater is not only a heater but also a medical appliance (the heating tube radiate far infrared ray) ,as compare with existing far infrared rays lamp safety tilt switch stainless steel carry handles N. W/G. W: 2.2/3.2kg CTN size: 285*285*840mm QTY/20’: 410pcs QTY/40’: 835pcs QTY/40’HQ: 982pcs