EasyWordMall Digital DC with Shunt Resistor 3-Wire 2-in-1 (Red/Blue) Voltmeter/Ammeter, Red/Blue, 4.5-30V/50A (Divider)

Features: Item includes (3 wires) Measurement voltage: DC 4.5 to 30V Meter power supply: DC 4.5 to 30V Measurement current: 50A (requires external shunt) Display: 3 0.28" LED digital tubes Display color: Red and blue Minimum resolution (V): 0.1V units (less than 10V: 0.01V units) / 0.01A units Minimum resolution (A): 0.1A Operating current: Less than 20mA Dimensions: 48mm x 29mm x 21mm Mounting cutout: 45.5mm x 26.5mm Refresh rate: 500ms/time Measuring accuracy: 1% (±1 digit) Operating temperature: -10~65°C Operating humidity: 10 to 80 percent (non-condensing) Operating pressure: 80 to 106 kPa Uses: Suitable for voltage and current measurement of automobile/electric vehicle/motorcycle monitoring or other products Wiring Way: COM black wire (thick): Test common terminal PW+ red line (thick): voltmeter power line, voltage test signal line IN + Yellow line (thick): Current input For more details from the customer, please refer to the wiring diagram) Package Includes: 1 x 3-Wire 2-in-1 (Red/Blue) Digital Voltmeter/Ammeter, Red/Blue, DC 4.5-30V/50A 1 x 50A Current Shunt