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 and/or USB On-The-Go (“USB OTG”)

and/or USB On-The-Go (“USB OTG”) support to operate properly with this product

electronic repair and son on

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

load begins to run and "RUN" lights up

All parameters can be set to default setting after short circuit

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 and/or USB On-The-Go (“USB OTG”)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.