3 in 1 LCD Display Handheld Metal Wood Studs AC Voltage Live Wire Detect TS79 Wall Scanner Electric Box Finder Jewellers Watch Clock Repair Magnifier Loupe with LED Lights Size: 8-21mm / 12-19mm (Optional)

Size: 8-21mm / 12-19mm (Optional)

Package Weight: 252g / 8

All parameters can be set to default setting after short circuit

2 * Solder Tips

Suitable for measuring the inside diameter

3 in 1 LCD Display Handheld Metal Wood Studs AC Voltage Live Wire Detect TS79 Wall Scanner Electric Box Finder Jewellers Watch Clock Repair Magnifier Loupe with LED Lights Size: 8-21mm / 12-19mm (Optional)This unit is a 3 in 1 metal voltage stud detector. It uses electronic signals to locate the exact position of studs, ceiling joist AC wires and metal through drywall, concrete and other common wall materials. Once the edge of a stud has been detected, it emits audio and visual signals (LCD display) that allow you to easily pinpoint its center position. This unit is an ideal tool for DIY fans, professional electrician and users in decoration field.