Small Voltmeter Digital Battery Tester

Product description:

Display panel: 22.5 mm x 14 mm
Total length: 31 mm (including mounting ears)
Thickness: 12 mm
Mounting hole center distance: 27 mm
Mounting hole diameter: 2.5 mm
Measurement voltage: DC 3.2-30V (2-wire connection, red: positive; black: negative)
Supply voltage: DC 3.2-30V (collinear)
Measurement accuracy: 0.5% (+/- 1 bit)
Display: three 0.36 ""digital LED tube
Display color: green
Refresh rate: about 500mS / times
Operating temperature: -10 ° C ~ 65 ° C
Reverse polarity protection
For car / battery car / motorcycle or other voltage measurement