KKmoon Portable Non-contact AC Voltage Tester Pen Shaped V～Alert Detector with Sound and Light Alarm

features non-contact design and pen shaped, it can detect AC voltage in 12V～1000V and 48V～1000V. Portable pen shaped, convenient to carry. Widely used in the investigation of industrial power and home line.
Features:
Dual sensitivity AC voltage range of 12V～1000V 48V～1000V with switching S button.
Detect AC voltage by contacting the power socket or getting near the live wire with non-contact tip.
With flashlight, convenient to use at night or dark corner.
Breakpoint checking, live wire measurement and full wire measurement.
Automatically turn off when no operation and no detection of AC voltage after 3 minutes.