ITEM NAME:Mini Voltmeter Tester Digital Voltage Test Battery Dc 0-30V Red Auto ME 100% brand new and high quality 1.High precision 2.Low starting working voltage, red minimum 3.0V, 3.With reverse protection, anti-not burned. Technical Parameters: Measuring range: 0.00V-30.0V Power supply range: DC3.00-30.0V Maximum input: DC30.0V Input impedance: greater than 100K ohms Operating current: red