The Wall Scanner is a versatile and reliable tool for detecting various materials hidden within walls, ceilings, and floors. With three selection modes including Wood Mode, Metal Mode, and AC Wire Mode, this scanner is suitable for a wide range of applications. For metal detection, it is ideal for locating rebar, copper pipes, and other metal objects hidden within walls and structures. This tool is specifically designed for scanning live AC wires. When it comes to wood detection, it is perfect for locating materials behind plasterboard walls, bare wood floors, plywood, coated wood walls, and more. Equipped with depth measurement capabilities, this Wall Scanner can provide accurate readings for different materials. Magnetic metal: 3.15inch/80mm; Non-magnetic metal: 3.15inch/80mm; Live (AC) wire: 1.97inch/50mm; Wood: 1.5inch/38mm. The Wall Scanner features a built-in rechargeable lithium battery, providing a convenient and environmentally friendly power source for extended use. It also comes with a Type-C charging cable, a user manual(English version only) and a convenient pouch for storage and transport. In conclusion, the Wall Scanner is an essential tool for anyone involved in construction, renovation, or DIY projects. Its ability to accurately detect wood, metal, and live wires makes it an indispensable tool for ensuring the safety and success of any project. Fast detection saves users time and effort, making task completion easier.