Pure sine wave inverters provide premium power that is identical to or even better than power supplied by your electric company. Product Features:Plugs into your cigarette lighter or power port to power laptops, cell phone chargers and other small electronic devices in your vehicle!Pure sine wave power inverter300 watts continuous power500 watts peak powerAnodized aluminum case provides durabilityBuilt-in thermal cooling fan120 Volt AC outlet and 2.1Amp USB portOverload indicatorPower on off switchHarmonic distortion less than 3%Overload protectionShort circuit protectionThermal shutdownOver voltage shutdown at 15V
