Power Supply: DC3.3-30V
Power Consumption: <20mA
Test voltage: DC0~100V
Display mode: 0.56 "LED with red/blue/green digits
Measurement accuracy: 1% (± 2 digits)
Measurement rate: ≥ 500mS / time
With three wires,the wiring is simple, the installation is convenient.
When there is a small tolerance, you can calibrate by the potentiometer on the circuit board.
With polarity protection function for meter power supply.
With three wires, can be connected to cars,e-bikes or motorcycles.
Red wire: Power supply Positive terminal
Black wire: Public Negative terminal （Power supply and test negative terminal）
Yellow wire: Testing terminal