The AC-DC Power supply allows you to use any device that would normally work in your car's cigarette lighter in your home! Note: this device will power up any device that would normally draw 650ma or less (see the device's label for details about how much power it requires). If it requires more than 500mA, see our MONSTER 5 AMP model in our other listings (see our car accessories category). Our MONSTER 5 amp model will power up just about anything, even a CAR REFRIGERATOR. If in doubt about the power your device draws OR if you want to power up MULTIPLE devices, see our MONSTER 5 AMP model. The model in this listing, the 500mA model, is great for plugging in chargers for cell phones and other chargers and power supplies for lower power devices. - Mini size and light weight make it convenient for travel - Use it with any plug-in charger to power or charge any wireless phone - Use it with any 12v device, drawing 650mA or less, that is designed to plug into a car cigarette lighter (or 12v power port) Input Voltage: AC 110V-120V Output Voltage: 13.5V Output Current: 650mA