This USB mini car charger is the ideal solution for charging most of your USB devices like smart phones navigation systems Mp3-players and digital cameras through the cigarette lighter of your car truck or boat The USB mini car charger works on 12v and 24v and converts them automatically to the 5V(1000mA that USB devices use You can easily charge USB devices at the same time when you are travelling by car truck or boat without needing a PC notebook or wall socket! Charges most of your devices with USB connection through the cigarette lighter of your car,truck or boat Small and extremely compact, easy to take along LED indication when charging Charge high power devices (max 1000mA) Charger type: Auto USB 2.0 ports quantity: 1 Built-in battery: N Power source type: Cigar lighter Dimensions (WxDxH): 20 x 38 x 10