5-in-1 Multi-Function Detection: The upgraded 5-in-1 mode provides users with more detection needs. There are 5 modes for stud scanning: 1/2 inch (13 mm), 1 inch (25 mm) and 1.5 inch (38 mm), Metal Scan (60 mm) and AC Scan (51 mm). The fast detection saves users time and energy and makes the task easier to complete. Whether you are a house owner, homeowner or DIY enthusiast, it must be your ultimate choice._x000D_High Performance: The easy-to-read LCD screen displays the requiRed stud material and the precise location of the stud. When the device detects an object, it emits a continuous beep and a peck is displayed on the LCD screen. This wall scanner features a backlit LCD display and a low battery indicator to notify you when the battery should be replaced for optimal performance (9V battery included)._x000D_This stud detector quickly finds wood, metal and AC wires hidden in the walls, floors and ceilings of your home. It can work on different wall surfaces, such as laths, wallpapeRed wooden floors, acoustic ceilings, painted walls, etc., helping you avoid danger when installing cabinets, garage racks, etc.