Specification: - Model: Heating Bolt Remover - Input Voltage: 110V 60Hz - Input Current: 7A - Output Powe: 500-900W - Output Voltage: 45V - Output Current: 180A Warning: Before using, please be sure to read and understand all safety rules and instructions in this manual before operating the heating. Pay particular attention to the safety rules. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious personal injury.