RoadPro RPPI-300W 300/600 Watt DC to AC Power Inverter with 12-Volt Plug and Direct to Battery Hook-Up Provides 300 watt continuous, 600 watt peak household AC power 2 grounded AC outlets with low battery alarm Thermal, overload protection and plugs easily into the cigarette lighter outlet or 12 volt power port Operates home or office products from your truck, RV vehicle or boat Use with your cigarette lighter with included power cord or connect directly to your battery or with included power cable and battery terminal clips