Description : SJF-125 20V Digital Voltmeter Volt Meter 2.2 Inch Display Model Number:Digital Voltmeter Power Supply:9-20V Backlight colors:Blue Power Consumption:!#!amp!*!lt; 0.2VA Resolution:0.5% !#!amp!*!plusmn;2 digit Note : 2.2 inch is the diagonal length of the display. Package included : 1 x Digital Voltmeter