Uxcell a11022500ux0025 85C1-A Analog Current Panel Meter DC 30A Ammeter Ampere Tester Gauge Made of good quality plastic material and finished by good technology Measures ampere range of 1-30A with accuracy of Class 25 Clear and easy to read scale and a button for fine tuning the dial Needle Ampere Panel Meter for electronic applications, auto circuit or other Voltage measurement devices Note: this ammeter need to work with a 30A/75mV shunt, which is not included here