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 0-15V Accuracy : Class 2.5; Meter Face Size() : 6.3 x 5.5 x 1cm/2.5inch x 2.2inch x 0.39inch(L*W*); Thread Size:0.28 x 0.8cm / 0.11inch x 0.30inch(Dia.*L) Overall Depth : 5.8cm / 2.28inch Color:White Material: plastic Net Weight : 58g Package Content : 1 x Analog Voltmeter Several Installing Parts Note: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.