Wall Detector; Stud/Metal/AC Wires Detector (AMD012)

Features:
This unit is an advanced detector. It can detect and locate metal, AC voltage and stud.
Specifications:
1. Detection depth:
    Wood stud: 38mm
    Metal: 120mm
    Copper: 80mm
    AC Wire: 50mm
2. Auto Power Off: 5 minutes
3. Power:9V battery
4. Weight: 270g