This high efficiency DC-AC inverter converts 12 Volts DC to 600 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include built-in electronic GFCI, overload protection, low battery alarm / shut down, low idle power draw. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. Safety certified to UL standards.