Universal battery Volt meter

Material: ABS
Size: 48×29×21 mm
Mounting hole: 45.5×26.5 mm
Measure range: DC6-12V
Accuracy of voltage measurement: 1%
Wire length: 150mm
suitable for lead acid battery, lithium battery
Using Guidance:
connect the red wire to the battery positive pole, connect the black wire to the negative pole,
the screen displays the battery capacity, battery voltage in turn.