DROK Digital Voltage Current Tester Multimeter DC 100V Volt 2A Ampere Voltmeter Ammeter Battery Monitor Gauge 2in1 Red Blue 2-Color LED Display Car Automotive 12V 24V Built-in Shunt
- Display voltage and current simultaneously(the current is measured in the negative rail)..
- Ground wire of testing end and power supply temninal is the same wire.
- 0.28" DC digital LED display in two colors (red+blue), bright LED, easy to read..
- With built-in shunt,has voltage and current calibration potentiometers..