12-24V Motorcycle Car Triple USB Charger Power Outlet Socket Adapter VoltmeterFeatures:- Three in one mini design、 USB mini car charger、 voltmeter.- Three Car Charger can be use at the same time or use individually.- Short charging time、 non-interference.- Universal USB port works with most USB cables.- Three high-brightness LED digital display for easy viewing.- Constantly monitor、 ensure the battery used under normal operating voltage.- Plug USB devices such as Mobile Devices、Tablets、 Mp3 Players and so on.- Plugs into any car power outlet.Specification:          Material       PP           Input       DC12-24V           Output       3.1A  5 V           Operating temperature       80 (\u2103)           Voltage measurement error       !#!amp!*!lt;0.1           Color       Black           Size       15*4*5cm\/5.91*1.57*1.97!#!amp!*!quot;   Packaged Included:1 X Car Charger1 X Accessories