Condition: 100% Brand new and high qualityThis mini digital LED voltmeter DC0-100V adopt 0.36inch digital display and ultra mini size with three wires, which designed with reverse connect protection function and used for all kinds of voltage measurement purposes.Measuring range:DC0-100VMinimum Input:DC 0VNet weight:5gMaterial: plasticColour: RedMaximum Input:DC100VDisplay way:3 digits 0.36 LED nixie tubeRefresh rate:500mS/timePower supply:DC3.0-30VWorking temperature:-10 Celsius degree ~ 65 Celsius degreeDimension:23*15*10mm(without mounting plate)Cable length:Approx. 14.5cmInstalling size:24*15mmInstalling hole spacing:28mmScrew specification:M2.0x12 Self-tapping screw (not included)Note: If you are not electrical and electronic professional, the electrotechnical inst ent is not suitable for you to assemble by yourself.Package Included:1 x Digital Voltmeter Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.