Designed to invert 9/16 VDC to 120 VAC at 95% efficiency with 1 AC output. Measures 12.65 inch width x 8 inch height x 13.75 inch length. Features over current & over temperature protection, MOSFET and battery functions. Includes built-in charger, 20 Amps AC input circuit breaker, 15 Amps output circuit breaker and on/off invertor mounted switch with easy to read LED indicator.