Universal Dual USB Car Power Charger Adapter for Mobile Phones

Universal Dual USB Car Power Charger Adapter for Mobile PhonesFeatures:Detect the voltage of car battery; display by LED screen.Dual USB port; output 3100mA; can charge for two devices at the same time.Suitable for all kinds of mobile/iPad/GPS/PSP and the other electronic kits; include Tablet of Samsung; iPad and so on.Specifications:Type: Dual USB Car ChargerColor: As the Picture ShowsOutput Interface: USBInput Voltage: DC 12-24V (Error of plus or minus 0.2V)Output Voltage: DC 5V (Error of plus or minus 0.1A)Outout Current: 3100mAWorking Temperature: 0-40 DegreeCompatible Brand: UniversalCompatible Model: UniversalConversion Efficiency: 95%User manual:1. Plug the charger into car cigarette lighter; and then the LCD Screen will display the car voltage. Please try again or rotate the charger if no display.2. Charging the device by USB cable3. Check the charging indicator; it will be normal working if show the output current on LCD; if not; please check the USB cable or try to charge another device to ensure if the charger compatible with the device.Package Content:1 x Dual USB Car Charger1 x User Manual