It is a 2in1 Volt Amp Panel Meter+ Resistive Shunt , Measure Voltage Range DC 4.5-30V,Measure Current Range 0-50A forward current , Accuracy: 1% (± 1 digit ),It has Reverse polarity protection, small size, high efficiency, long term stable and reliable quality,easy installation and use . Applications:Suitable for industrial equipments/electronic equipment/automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement.
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More detailed please check the description picture. Package Include: