2 in 1 6 Modes: This detector functions as both a wall detector and a hygrometer, allowing you to switch between 6 modes: dowel precise, dowel depth, ferrous metal, non-ferrous metal, live wire, and moisture. It's perfect for both professionals and DIY enthusiasts. Improved Detection Depth: In precision and depth mode, the detector can reach depths of up to 20 mm and 38 mm respectively for wooden frames, with ferrous metal detection up to 120 mm and non-ferrous metal up to 80 mm. It also detects live wires up to 50 mm deep and moisture content in building materials ranging from 5% to 50%. User-Friendly Design: The LCD display features an indicator light, sound alarm, and shows mode selection, magnetic detection, battery status, metal depth, and signal strength. The indicator light changes from green to amber and then to red when the target is near, accompanied by an audio signal. Automatic Calibration and Shutdown: Hold the detector against the wall for 1-3 seconds for automatic calibration. The device turns off after five minutes of inactivity to conserve energy. Convenient Features: Equipped with a backlight for visibility in low light conditions, you can easily switch between inch and cm units and toggle sound on/off, ensuring optimal usability. A cotton cover on the back protects your walls from damage during use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia