1、Multi-Function ModeCompared with other stud sensors, this stud finder not only featuring detection for wood stud exact mode, wood stud deep mode, metal objects mode (iron and non-ferrous metals), copper conductors mode (live), but also detection for moisture in the wood and building materials, offering a wider range of detection performance 2、Locate the Center of Stud !Meterk stud finder can be used to find the center of the stud in just once the operation. When the stud sensor is approaching the center of the stud, the signal strength will increase and accompany the sound. At the center, the center icon \+\ will appears and the signal strength shows 100% full on the screen. However, other products need to be operated twice in the left and right direction to find the center by looking for the edge of the stud 3、Wood Exact/Deep ModeStud sensor can detect metal, wood and live cables in walls, ceilings, and floors. Wood exact mode scans through one layer of drywall up to 0.79 inches (20mm) thick. Deep mode scans through 2 layers of drywall up to 1.50 inch (38 mm) deep. Deep stud scan mode is a higher sensitivity scanning mode that should be used when there are extra layers of wallboard 4、Convenient DesignMeterk sensor detector has a mute setting, which is very convenient for those who think that the alarm sound is annoying or use it somewhere in the library. This sensor detector has a large LCD display, the backlight function supports to detect studs even in dark environments. Whether you are a professional, a homeowner or a DIY enthusiast, you can find good uses in it 5、Make Your DIY Homework Easier ! This wall detector quickly locates the center of the material, helping you avoid danger when installing TV, cabinets, garage racks, and more. The ability to measure the moisture content of wood and building materials can be of great help in wood processing, water damage repair, and home renovation. 1 x Meterk stud finder, 2 AAA battery, 1 x portable bag, 1 x user manual, 1 x warranty card( 24 month ).