Perfect for Home, Shop and Hobbyist Built-in Cooling Fan Current Meter Input: 110V AC, 60Hz / 220V 50Hz Output: 13.8V DC 10 AMP Surge 8 AMP Constant Powers Cellular Phones,12V DC CB Radios, Scanners, HAM Radios, Autosound Systems, etc. Screw-On Terminal Binding Post Connectors Linear Type Power Supply Electronic Overload Protection w/Auto Reset Short Circuit Thermal Protection Indicator Over-Voltage Protection Fuse Protected 3 Prong Grounded AC Plug Heavy Duty Cabinet Anti-Skid Rubber Feet Dimensions: 5.25''(L) x 5.25''(W) x 3''(H)