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.