-[Quick and Accurate] The stud finder employs advanced sensor technology and an auto-calibration feature to quickly locate metal, wood, or AC wire hidden in walls, floors, and ceilings, preventing hazards when installing TVs, closets, garage racks, and other items. -[5-in-1 Versatile Mode] This multiple-function wall scanner detector has five scanning modes that allow you to easily locate the center and edges of wood and metal studs up to 0. 5/1/1. 5 inches deep in drywall, a metal scanning mode that goes up to 2. 36 inches deep in various metallic materials, and an AC mode that goes up to 2 inches deep in energized AC wires. -[HD LED display] The digital wall scanner has an audio warning and a clear moving direction arrow on the LCD display. The signal bar on the LCD display alerts you to the approaching object's distance and direction. When the object is found, the LCD display shows the direction and an audio alert tells you if you are getting closer to the target. -[Ergonomic Design] The stud finder is not only ergonomically designed, but also lightweight and easy to use. To complete your task, simply hold this stud center detector in your hand and move it from left to right. -[Secure and safe] If you have any questions or suggestions, please contact us and we will respond as soon as possible. Of course, if such product has a quality issue, we will provide you with 100% quality after-sales service.