Power Supply 12-15 volt output ( 115 V ac input, 12-15 V DC output, 32 AMP). Adustable output voltage. Powers 12-15 V DC devices including autosound systems.  Features an AC outlet adn scre terminal connectors.  Crowbar over Voltage Protection, Electronic Overload with automatic reset.Fused with Short Circuit and Thermal Protection.  Heavy duty cabinet with rubber feet. Built in cooling fan. Ideal as a home or shop backup power source