【4-in-1 mode】The wall detector has 4 modes, suitable for detecting metal, wood, magnetism and AC cables. You can quickly and accurately locate the position of nails, screws, rebar, wooden beams, AC cables, etc. 【LCD screen and buzzer】The large LCD display shows detection mode, depth, signal strength and battery level. When an object is found, it tells you if it is closer to the center of the target based on the signal strength and beep volume, helping you quickly find the center of the stud 【Multifunctional】The power cable finder is used to find and locate the center and edge of wood and metal posts with a depth of 19mm; The maximum positioning depth of the depth scan is 38mm; The maximum metal detection depth is 60mm; AC scanning can detect AC cables with a depth of 51mm 【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 device has a compact design and is small