Features: Unparalleled Accuracy and Intuitive Feedback: Our wall scanners feature advanced LCD technology to clearly display measurements. This visual clarity, combined with an audible signal, guides you through the detection process, ensuring accurate readings every time. Purpose: Quickly locate wood, metal, and live AC wires hidden in walls, floors, and ceilings. Works on drywall, wallpaper, wood flooring, acoustic ceilings, and painted surfaces. Helps prevent accidents during installation of televisions, cabinets, garage racks, and other fixtures. 5-in-1 Stud Scanning Tool: Supports five scanning modes — stud detection at 1/2 inch (13 mm), 1 inch (25 mm), and 1.5 inches (38 mm); metal detection up to 38 mm; and AC wire detection up to 51 mm. Highly Accurate: Equipped with an advanced intelligent microprocessor chip that quickly and precisely locates edges and centers of studs, joists, pipes, metal objects, and live AC wires behind walls, floors, and ceilings. Audible Alarm: Provides clear beeping feedback when approaching the edge or center of a target, enhancing precision for both DIY users and professional contractors. Notice: 1. Actual color may vary slightly from the image due to lighting conditions. 2. Please allow for a 1–3 cm measurement deviation due to manual operation. Power Supply: 9V battery (not included) Battery Model: 6F22 Package List: 1 x Multifunctional Handheld Wall Detector