Electric measuring pen,ANENG B14 24-250V Tester Electric Induced Electric Screwdriver Probe With Indicator Light Sound and Light Alarm Test Pen

Low voltage, the pen lights green; High voltage, electric pen buzzes.

The material is insulation and resistant to falling, safer to use.

With self checking function to know whether the pen battery works on or not.

LED indicate light, long service time and convenient to view the detection result.

The nib is designed with a screwdriver, which is convenient for you to open the socket box at any time.