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Mini digital display voltage meter:

AD22 Series products two-wire three-way AC, DC digital display voltage meter.

1. Use 2.5 inches long life LED digital tube display with compact square enclosure, convenient installation.

2. Measurement range AC80V-500V, DC8-150V, frequency 50/60Hz.

3. Use two wire system, AC connected in zero line and life line directly, DC have polarity reverse connection protection function.