4 in 1 ModeThe 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 buzzerLarge LCD display indicating mode depth, signal strength and battery level. When an object is found, it tells you whether it is closer to the center of the target by signal strength and beep strength, helping you quickly find the center of the bolt Multifunctional Electrical Cable Finder is used to find and locate the center and edge of 19mm deep wood and metal studs; The maximum deep scan positioning depth is 38 mm; Maximum metal detection depth reaches 60mm; AC Scanning can detect AC wires with a depth of 51mm Ergonomic designThis material detector has a soft grip coating that provides a firm and comfortable grip, ensures safe handling and comfortable and prevents slipping. The Unit has a compact design and is small and easy to carry. Quick and Accurate PositioningHigh accuracy helps you quickly locate hidden metal in walls, floors and ceilings, wood behind drywall or AC power lines, find the exact location in time. Durable and practical for home, office and workshop. Ideal for professionals and DIY enthusiasts. Product Wall detectors can detect metal, wooden beams and electrical cables hidden in walls, ceilings and floors. (walls, ceilings, and floors refer to conventional concrete, tile, wood paneling, etc.) LCD display with backlight This digital stud scanner features a large LCD screen and clear sound. The LCD will display the currently selected mode, and when material is detected, the LCD will indicate the direction and intensity. Simple operation Four modes are available. your disposal to meet your basic needs. Waterproof and durable The wall detector is safe and waterproof and can work well even in rainy days.< /p> Precise positioning the intensity of the buzzer will vary depending on the distance between you and the target, you can mark the position with a marker when the sound is loudest. And it has AC warning function. 4 in 1 function DEWINNER detector can do stud scans, depth modes, metal scans and AC scans. Advanced metal detecting technology can meet your different working needs. Wide application This metal detector can be used to detect the position of the center of wood rod in the walls of wooden planks and plasterboard, as well as the position of metal and AC cables, so that you can precisely install televisions, cabinets, drill holes in the wall, etc. Mode of operation 1. Calibrate tool before scanning Once the mode is selected, press and hold the scan button (to the right of the tool) to calibrate the tool. Wait for the reduction lever to disappear and beep to confirm that the calibration is complete. If you accidentally shake or lift the scanner, the device must be recalibrated and, in metal / AC mode, put in the air for calibration 2. Scan the wall Once the stud finder finds the material, the LCD screen will indicate the direction and the intensity of the beep will let you know if you are closer to the target. < p>3. Find stud location When the signal bar is full and the alarm sound is loudest, it means you have found the Center of the object. Mark with pencil