HIGH EFFICIENCY 300W This 300W DC to AC converter for car features with high conversion efficiency, which allows it to run most equipment, every economical and practical. It adopts advanced pure sine technology provides quality AC equivalent to grid power which will and extend the life of your electronics and appliances. ^^ MULTIPLE PROTECTIONSThis 12V built in multiple protections: Overload, high voltage, low voltage, overheating, reverse connection, short circuit, overcurrent and adopts intelligent chip control, provides protections. ^^ WIDELY USEDThis 12V to 110V inverter allows you can use electrical equipment, including TV / LED lights / LCD displays, especially inductive load appliances such as refrigerators, freezers, induction cookers. for an emergency, hurricane, storm, or power outage. A good choice for camping, out door needs or driving trip on the way. ^^ UPGRADE COOLINGThis RV inverter converter charger is equipped with intelligent temperature control fan which will automatically work according to temperature, this design can help to lower the fan noise. Also it adopts aluminum alloy shell, with good thermal conductivity, can quickly reduce the temperature of components, work long hours are not affected. ^^ QUALITY ASSURANCEWe are very confident in the quality of this car inverter power outlet, and provide or refund for it. Please feel to reach us if you have any questions about your purchase. We will solve your problem within 24 hours.