General Spec Color white Input DC12V-24V Output DC5.0V/1000mA Function charge your divece while you drive Compatibility iPhone series, iPod Touch, iPod Nano, iPod Classic and vedio Features With the USB car charger adapter, you can keep your device fully charged while you drive. Simply plug your device into the USB car charger adapter to charge, using your USB charging cable. Allow you to charge your iPhone through any cigarette lighter socket. Controlled by intelligent card, do not backflow and overcharge. Can intelligently buffer, and activate the sleepy state of the battery.