TruePower Marine Power Inverters Connection Type Hardwire; Voltage - Input Range (Volts) 12v; Waterproof No; Waveform Modified Sine; Voltage - Inverter Input NONE; Voltage - Inverter Output NONE GFCI Yes Outlet Qty 2 Duplex GFCI Power - Output (Watts) 600w Power - Surge Rating 1200w