Feature: 1. A Useful Detector: This wall scanner can quickly detect the edges and centers of live AC wires, metal, studs, joists, pipes in walls. 2. With Varied Modes: Comes with a variety of working modes, the 6 in 1 stud finder has a wide detection modes and high accuracy as well. 3. Display and Alarm: This stud finder is equipped with a large LCD display and an audible alarm, which can detect the exact location of objects. Type C charging ensures no battery replacing. 4. Simpler Detection: The easy to read LCD display and ergonomic anti slip handle provide users with comfort and convenience during scanning. The wall detector can automatically calibrate at any position on the wall, and successfully find the center of the stud in one step. 5. Broad Application: The stud detector can quickly locate the wood, metal and AC wires in the wall, floor and ceiling of the house. It can work on different walls, such as slats, wallpaper wood floors, acoustic ceilings, painted walls, etc., to help you avoid dangers when installing TV, cabinets, garage racks, etc. Specification: Item Type: Stud Finder Power Supply: Built in lithium battery 3.7V 300mAh. Maximum Detection Depth: Ferrous Metal: Approx. 120mm / 4.72in Nonferrous Metal: Approx. 100mm / 3.94in AC: Approx. 50mm / 1.97in Single Strand Copper Conductor, ≥ 4mm²: Approx. 40mm / 1.57in Wood Stop: Approx. 20mm / 0.79in in EXACT mode. 38mm / 1.5in in DEEP mode. . Package List: 1 x Stud Finder1 x USB Cable1 x User Manual1 x Storage Bag