This retractable car charger is compatible with the following Motorola models : DROID RAZR HD DROID RAZR M Plug it into your car cigarette lighter. Great for travelers to recharge their cell phones on the go. Specifications : Compatible with both 12 VDC and 24 VDC systems. Fits in your car cigarette lighter socket. High performance charger. Convenient cable management with cord wrapped inside the charger. Easy and convenient to recharge the phone battery in a vehicle. Electrical fuse with overcharge prevention for safety. LED charging indicator. Allows you to charge your phone and talk at the same time.