SF1 4-in-1 Digital Construction Detector, Wall Scanner, Metal Detector for Wood, Metal and Electrical Lines, Stud Detector, Locator, with LCD - TREETALK

Simple and easy to use: The SFI wall scanner has 4 functions and is suitable for detecting metal, wood, magnets, and AC cables. It can accurately and quickly pinpoint the location of nails, screws, steel bars, wooden beams, AC cables, etc.Easy to read: The large LCD screen is easy to read. The signal strength indicator area on the screen clearly shows the distance to the metal object. The screen displays the scanning mode, detection depth, detection signal strength, battery indicator, and center point, etc. The detector can be turned off after 5 minutes of inactivity.Automatic calibration: The wall scanner can be automatically calibrated; simply press the metal detection button. Note: Automatic calibration must be performed without nails, AC power cords, or metal, otherwise the test results will be inaccurate.The scanner has two functions: an audible alarm and a visual indicator. Its ergonomic design makes it very comfortable to hold at any angle; the rubber on the back prevents damage to the wall, making it safe and convenient.Application scenario: This wall detector can quickly locate hidden metal and wood AC power cables in the walls, floors, and ceilings of your home, helping you avoid hazards when installing a TV, cabinet, garage shelf, etc.