Samlex America SA600R112 600W Pure Sine Wave Inverter 12 Volt, 600W Continuous Output Power, 800W Peak Output Powe Power ON/OFF remote control capability, Isolated input and output Load controlled cooling fan, Advanced microprocessor design Protections: overload/short circuit, reverse polarity (fuse), over/under input voltage, over temperature Tri-color indicators display input, output level & failure status, Pure sine wave output (THD &lt; 3%)