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Top Tronic Voltage Detector Non-contact
LED and tone indication
AC Voltage 50V-1000V
Frequency 50-500Hz
Power Supply: 2 x AAA 1.5V Batteries
A non-contact voltage detector is a device that can detect the presence or an electrical charge in a wire, cable, or piece of equipment without having to touch the object.
Voltage detectors are primarily used by electricians and electrical technicians.