DROK Digital Current Tester Multimeter DC 100V Volt 2A Ampere Battery Monitor Gauge 2in1 Red/Blue 2-color LED Display Car Automotive 12V 24V Built-in Shunt
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<b>[Product Information]</b><br>
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<li>Display Voltage and current simultaneously(the current is Measured in the negative rail)</li>
<li>Ground wire of testing end and power supply terminal is the same wire; quick refresh of about 500 MS</li>
<li>Require external power supply; with reversed connection protection</li>
<li>0 28 inch</li>
<li>With built-in shunt, has Voltage and current calibration potentiometers</li>
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