Product Name : Analog Ammeter;Measuring Current Range : DC 0-50AAccuracy : Class 2.5;Meter Face Size(Approx) : 6.3 x 5.5 x 1cm / 2.5 x 2.2 x 0.39(L*W*T)Thread Size : 0.37 x 0.83cm / 0.15 x 0.33(D*L);Overall Depth : 5.77cm / 2.27Color : White;Net Weight : 62gNote: need a 75mV shunt(Here Not Included) so that you can successfully use this Analog Ammeter.Measures current range of DC 0-50A with accuracy of Class 2.5.Clear and easy to read scale and a button for fine tuning the dial.Package Content : 1 x Analog Ammeter;Several 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 +/- 1-3cm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it