120 VAC, 30 Amps, Pig tail AC wire connections and wagon quick flip connectors. Automatically senses generator power and prevents two power sources from entering the AC Distribution Panel at the same time. Features Quick change circuit board is easily replaced in the event of failure. No need to disconnect and reinstall the entire unit. Time delay feature ensures generator voltage is at a stable level before transfer occurs. Built-in strain reliefs allow the installer to simply push the branch circuit wires inside the unit for connection. Eliminates the need to purchase and install separate strain reliefs for each circuit. Screw-type wiring terminals ensure ease of wiring and prevents wiring errors. 1 year limited warranty. Specifications Voltage: 120 VAC Amps: 30 Amps Dimensions: 9.25”L x 7.28”W x 4.2”H Weight: 2.5 lbs. 120V 30A Automatic Transfer Switch With Pigtail Connections