High Accuracy Stud FinderSensor Advanced sensor technology can accurately and quickly locate metal wood AC line. It is used to detect the center position of metal or wood studs in the wall. it can detect metal and voltage features in the wall, and whether the wires in the wall are live. Whether you are a professional or a DIY enthusiast, you can find great use in this digital stud scanner. 5-in-1 Multifunctional Depth DetectionThe digital wall scanner has five different scanning modes for wood, beams, metals, AC cables and deeply embedded objects. 3 kinds of stud depth modes give you a better experience: 1inch (13mm), 0.5inch (25mm) and 1.5inch (38mm) metal scan detects metal to a depth of 2.36inch. AC Scan detects AC power cables up to 2 inches deep. Easy-to-Read LCD DisplayThe digital stud scanner features a large LCD display with a large audible warning to detect the precise location items. When you find the material, the LCD screen shows the direction and the intensity of the beep tells you if you are closer to the target. Quick detection saves users time and effort, making it easier to complete tasks. Auto-Correct FunctionWhen the beep sound and screen disappear, place the wooden beam sight on the wall, open the stud sight and complete the calibration. Automatic calibration before use provides users with maximum reliability and accuracy. Then put it on the wall. After picking up the edge of the stud, the wood beam finder will flash and beep. Safety Protection The stud finder can quickly locate wood, metal and AC wires hidden in walls , floors and ceilings of houses. It can work on different wall surfaces, such as slats, wallpaper wood floors, soundproof ceilings, whitewashed walls, etc. Helps you avoid hazards when installing TVs, cabinets, garage shelves, etc. Number of parts delivered: 1 Color: black silver Size: 165*76*35mm without battery Battery type: 1 x 6F22 9V battery