Potek 750W DC to AC car inverter comes with battery clamps and cigarette lighter adapter. Provides 750W continuous DC to AC power and 1500 watts of peak power Dual AC outlets and dual USB charging ports perfect for for charging laptop, kindle, digital camera, cell phones, lights, power tools and so on This power inverter has over voltage,overload,over-current,under-voltage, overheating, short circuit protection.Also,digital display has function to show input/output voltage and output wattage Smart cooling fan makes it silent when using the Power Inverter,39 inches cigarette lighter cord makes the power inverter can be placed on the backseat or outside of the vehicle. Cigarette lighter adapter and car battery clips are included for two options: While you are driving, plug it into cigarette lighter, it can provide up to 150 watts of continuous power; When you're at a campground, you can connect it to the car battery directly, it will deliver up to 750 watts of continuous power.