Measures voltage range of DC 0-15V with accuracy of Class 2.5.Clear and easy to read scale and a button for fine tuning the dial.For electronic applications, auto circuit or other Voltage measurement devices.With dial pointer,there is no difficulity in seeing the display.A good car accessory to measure voltage efficiently and quickly.Product Name : Analog Voltmeter;Model : 85C1;Measuring Voltage Range : DC 0-15VAccuracy : Class 2.5;Meter Face Size() : 6.3 x 5.5 x 1cm/2.5inch x 2.2inch x 0.39inch(L*W*T);Thread Size:0.28 x 0.8cm / 0.11inch x 0.30inch(Dia.*L)Overall Depth : 5.8cm / 2.28inchColor:WhiteMaterial:plasticNet Weight : 58gPackage Content :1 x Analog VoltmeterSeveral Installing PartsNote:Light 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 +/- 1-3 cm.