Note:The device should not be knocked or shaken.Measures am-per range of 0-20mA with accuracy of Class 2.5.Clear and easy to read scale and a button for fine tuning the dial.Needle Ampere Panel Meter for electronic applications or other Voltage measurement devices.Specifications:Product Name : Analog Ampere-meterModel : 91C4-AMeasuring Ampere Range : DC 0-20mAAccuracy : Class 2.5Work Temperature : -20~+ 50CRelative Humidity : ?85%Meter Panel Size(Approx) : 1.7 x 1.7 x 1.3 inch / 45 x 45 x 35 mm(L*W*T)Mount Size : 1.5 x 1.5 inch / 37.7 x 37.7 mmNet Weight : 1 oz / 30gColor : WhitePackage Include:1 x Analog Ampere-meterSeveral Installing Parts.
eBay