Connect Sentry’s universal phone charger to your vehicle’s cigarette lighter outlet and one of the eleven adapters to a cell phone or other electronic device to charge them when you’re on the go on the road. This charger allows you to switch phones with ease among many users. The charger is compatible many cell phones from leading manufacturers, MP3 players, iPods, digital cameras, laptops and more. Now you can switch phones with ease. A red LED light on the charger indicates that the phone is charging. Input: DC12V; output: DC5.5V+/-0.2V/500mA.