1 Control circuit with photoelectric isolation function can effectively protect the circuit board 2 1% high-accuracy voltage-dividing resistor, making measuring voltage more accurate 3 Voltage accuracy and resolution are 0.1V with calibration 4 Energy saving mode reduces the brightness of the digital tube display, saves energy and protects the eyes 5 Parameter save when power off, avoid duplicate setting 6 Set the starting discharge voltage (H) and cut-off discharge voltage (L) to the lowest (<6V), which can be used to measure 6-30V voltage 7 With energy saving mode and factory reset function
What's in the box
1 x Battery Protector
