uxcell 85C1 DC 0-50A Rectangle Analog Panel Ammeter Gauge Ampere Meter Tester Made of good quality plastic material and finished by good technology. 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. Easy to install in electronic instrument and DC circuit. Note: need a 75mV shunt(Here Not Included) so that you can successfully use this Analog Ammeter.