Dust Cover Dual USB Car Appliances

describe Material: Plastic+zinc alloy Color: Black Indicator light color: Red/Blue/Green Size: 38x38x50mm (including the size of pins) Works great as a replacement or extra dual usb charge in car switch panel,with red LED light Voltmeter Over-heated,over-current,over-charging protection, charging will be automatically stop when battery is full, easy to use and install Compact design 2in1 Car USB Charger and Voltmeter, great for charging and voltage checking purpose Compatible with popular mobile devices USB 2.0,any device including digital cameras,PDAs,mobile phones and USB accessories

Input Voltage: DC 12 - 24V Voltmeter Measure Voltage: 8-30V Output Voltage: DC 5V 2.1A/2.1A Output Current: 3100mA Working Temperature: 80℃

package includes：1Car Appliances