People spend a ton of time in their cars now days. With Pyle"s new power inverters you can be more productive, have more fun -- and use all the electronics you want in your car or truck. Convert 4000 watts 12-volts DC power to 115-volts AC power safely and effectively in your car with the PNV200 Power Inverter. Power cell phone charger, i-Pods, and other elctronics with this safe and convenient product. Item includes a built-in cooling fan and low-voltage/high-voltage/overload/thermal protection.