New 3 In 1 Stud/Metal/Ac Wires Detectors Sensor Locate Meter Tester E-Sun TS7 kp
This unit is an advanced detector. In addition. Stud mode:Wood stud of 30×30mm ≤18mm. LCD and sound signal indicate findings. AC mode:50mm for 90~250V at 50~60Hz. 25mm ≤30mm. and mark in the groove position.