You won't find a more reliable power source. This unit is the most compact unit in its class, yet it’s loaded with convenient features! A digital meter, line voltage compensation and remote/local control are all standard. Two output connectors - Allow you to connect to high or low inductance for optimal arc control. Use low inductance output connection when short-arc welding, and high inductance output connection with spray and globular transfer welding. Digital Ammeter/Voltmeter - Display allows presets for added convenience and accuracy. Easy access Twist Mate® connection - On the front of the machine. Quality & Reliability - Environmentally protected transformer and power rectifier are rugged and reliable. Seven-year warranty on power rectifier. .