This high efficiency DC-AC inverter converts 12 Volts DC to 120 watts of pure sine-wave AC power at 120 Volts, 60 Hz. Product features a slim, low-profile design, quiet operation and a USB charging port for peripheral electronics. Electrical features include overload protection, low battery alarm / shut down, external, replaceable fuse and low idle power draw. Safety listed by ETL, this device is approved for use in hospitals and applications requiring UL60601 compliance. The unit comes with a cigarette lighter cord-set with plug.