Digital Voltage Tester Pen BOSI TOOLS AC/DC Continuity Meter 12-220V & Live/Null Wire Judgment, Buzzer Alarm
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SAFE VOLTAGE PEN – When testing AC voltage, it can automatically detect the live or null wire. MEASURING RANGE - Voltage Tester Pen has the dual testing range, you can adjust the sensitivity according to your needs. BUZZER ALARM & INDICATOR LIGHT- Upon detection, indicator light strobes and beeper sounds rapidly.(during switch to “H” or “L”). LIGHTWEIGHT & PORTABLE – Included 2 batteries, always ready to use. With small size, it is easy to store in tool box and carry. NOTE – When testing the voltage below 36V DC, please touch the copper piece with your finger.