Auto Calibration & AC Wire Alert: Enjoy maximum reliability and accuracy with auto-calibration. Simply place the device flat against the wall, power it on, and hold the scan button to start calibration. Calibration is complete when you hear a reassuring BEEP sound and the screen clears. Our metal stud finder also includes an AC wire warning feature with a built-in indicator light, warning you of live wires and reducing the risk of accidental drilling for enhanced safety.<br>Ergonomic Grip & Practical Tool: Designed for comfort and precision, our stud detector features an ergonomic anti-slip grip and high-quality plastic frame. It's a practical, dependable and user-friendly device, aiding in preventing hazards while mounting TVs, hanging photo frames, installing wall cabinets, garage racks, shelves, mirrors, bathroom fixtures and other decorations.<br>High Visibility and Comprehensive Display: Featuring a bright, backlit LCD display, our visual wall stud finder shows the center, edge and location of detected studs, along with battery status. Audio alerts and a beep sound further guide you to the exact location of the stud, ensuring ease of use even in low-light conditions.<br>Precise and Swift: Our stud finder wall scanner is equipped with an advanced micro-sensor chip, ensuring unparalleled sensitivity for swift and accurate detection of metal, studs, joists, pipes, and live AC wires hidden behind walls, floors, and ceilings. Professionals, homeowners, and DIY enthusiasts alike will appreciate its rapid detection capability, saving valuable time and streamlining tasks effortlessly.<br>Versatile Scanning Options: With multiple scan modes including Stud scan (0.5", 1", 1.5"), AC Scan (2''), Metal Scan (2.36'') and Non-Ferrous Metal Scan (3.15''), our stud finder offers flexibility to detect various materials and depths. The stud scan mode precisely pinpoints the center of studs, while the AC Scan mode is tailored for identifying wider objects. Additionally, the metal scan mode swiftly detects the presence of metal, providing confidence in locating plumbing behind walls.