【4 in 1 Mode】The wall detector has 4 modes, suitable for detecting metal, wood, magnetism, AC wire. You can quickly and accurately fix the position of nails, screws, rebar, wooden beams, AC cables, etc. 【LCD Display and Buzzer】Large LCD display shows the detection mode, depth, signal strength and battery level. When an object is found, it will tell you whether it is closer to the center of the target by the signal strength and beep strength, helping you quickly find the center of the bolt 【Multifunctional】The electrical cable detector is used to find and locate the center and edge of wood and metal studs with a depth of 19 mm; The maximum positioning depth of the deep scan is 38 mm; The maximum metal detection depth reaches 60 mm; AC Scanning can detect AC wires with a depth of 51 mm 【Ergonomic Design】This material detector has a soft grip coating that provides a firm and comfortable grip, ensures safe and comfortable handling and prevents slipping. The unit has a compact design and