!!! 4in1dualusbcar led 4 in 1 dual usb auto car adapter socket with tester voltmeter/temperature

Note: The LED light will send by randomly Specifications: 1.Input voltage: DC 12V-24V 2.Output voltage: DC 5V 3.Output current: 3.1A 4.Voltage measuring range: 5V-25V 5.Current measuring range: 0-3.1A 6.Temperature measurement range: -20 degrees ~ +80 degrees Package Included: 1 X Dual USB Car 1.Double 3.1A USB output 2.Over-current protection 4.In functions:Voltage measuring,Current measuring,Temperature measurement,Charging 5.Can charge two devices at the same time 6.Compact design and easy storage 7.Will charge your standard or extended battery 8.Intelligent IC chip inside recognizes a fully charged battery 9.Automatically switches to a saver mode to prevent overcharging and short circuit 10.Plugs into your car's cigarette lighter and charges your phone and other electronic devices while you're driving 11.Compatible with most phones and devices(iPad,iPhone,MP3,MP4,camera etc).