Check the listing for details. Stud Finder Wall Scanner-Digital LCD Display Multi Function, Wood Metal A/C Wire. Color: Gray, Condition: New. Listed at 24.99 USD. Sharkk Basics Stud Finder LCD Display Multi Scanning Multi Function Smart Stud Finders with Ergonomic Design (battery included) 3-IN-1 SCANNING FUNCTION – The Sharkk Basics stud finder come with special detection technology that allows you to detect wood, metal or A/C wiring. This special features keeps you from damaging unforeseen objects that are hiding behind your walls.LCD SCREEN – The easy-to-read LCD screen accurately displays what type of stud you are looking for as well as its position and the battery status of the device.SMART BEEP FEATURE – When a stud is located the stud finder will make a beeping sound indicating the stud’s location.EASY TO USE - Just scan horizontally from left to right across the wall and the stud finder will locate both ends of a stud and peak in the middle.ERGONOMIC DESIGN – The Sharkk Basics stud finder has grooves in each side that fit the contours of your fingers. The small groove located at the top of the stud finder acts as a marking guide so you can properly indicate the stud’s position. It is lightweight, easy to use and the battery is included. Product descriptionStop leaving unsightly holes in your walls with the stud finder from Sharkk Basics. A must have for your tool belt;use it to hang large items like TVs and cabinets, or smaller objects such as pictures or mirrors. The stud finder features 3-in-1 multi-scanning functionality. It also comes with detection technology that allows you choose what type of stud to look for: wood, metal or A/C wiring.The large, LCD screen is easy to read with a digital display that indicates what stud is found, it's position and the stud finder's battery status. With a steady hand, scan horizontally across the drywall and when a stud is found there will be an audible beep prompting you to mark the stud’s position. It will indicate each outer edge as well as the middle of the stud.The Sharkk Basics stud finder is practical, easy-to-use and ergonomically designed. The center groove acts as a markingguide, while the contour of the unit is meant to comfortably fit in your hand3-in-1The stud finder not only locates wood behind drywall, but can also locate metal and A/C wiring.Smart Beep FunctionA beep sound lets you know when the finder has come in line with a stud.Ergonomic DesignThe contour of the Sharkk Basics stud finder is ergonomically designed to comfortably fit in hand while in use.