It is a 2in1 Voltmeter Ammeter/Panel Meter/Monitor/Digital Meter, Power Supply: DC 4.5-30V,Measure Voltage Range DC 4.5-30V,Measure Current Range:0-100A forward current ( need extra 100A shunt for measuring current ), Accuracy: 1% (± 1 digit ),small size, high efficiency, long term stable and reliable quality,easy installation and use . Applications:LED lights measure automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement.

• Dual LED: Red voltage and current, Display Voltage Current at same time
• this panel meter is common ground design, it means that the ( measure ground wire) and (power supply ground) is common ground.
• Power Supply DC 4.5-30V. With reverse polarity protection, but the max power supply can not exceed 30VDC.

• Power Supply (Measure Voltage): DC 4.5~30V
• voltage < 10V, resolution: 0.01V
• voltage >= 10V, resolution: 0.1V
• Measure Current: 0-100A forward current ( need extra 100A shunt for measuring current )
• Current Resolution: 0.1A
• Operating Current: <20mA
• Display:  0.28" Red LED
• Dimensions: 48 x 29 x 21 mm
• Cutting Size: 45 x 26 mm
• Measurement rate: ≥ 500mS / times
• Accuracy: 1% (± 1 digit )
• Operating Temperature: -10°c ~ +65°c
• Operating Humidity: 10 ~ 80% (non-condensing)
• Working pressure: 80 ~ 106kPa
• Applications: Suitable for industrial equipments/electronic equipment/automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement.

• COM: Black wire,Power Supply - , Measure Voltage -
• PW+: Red wire, Power Supply +, Measure Voltage +
• IN+, Yellow wire, Measure current input. if use the voltmeter function only, please connect the Yellow wire and black wire together to avoid the Interference
• More detailed please check the description picture.

• 1 x 2in1 Voltmeter/Ammeter (Digital Tester )