Stanley 500 watt power converter- Converts vehicles battery into a household outlet- Simply plug into vehicles DC outlet or battery and access instant power on the road- Short circuit, thermal and overload protection with ground fault interrupter- 2 Grounded AC outlets- 1 USB outlet- 100 Watts - Plug directly into vehicles 12V accessory outlets or 100 Watts of power- 500 Watts - Clamp directly to vehicles battery for 500 watts of power - PC509