The Vevor 5-in-1 stud finder wall scanner is designed to detect wood studs, metal, and live AC wires in a variety of wall types. Its high-sensitivity sensor helps locate both center and edge positions for more accurate installation work. A backlit LCD screen and audible alerts provide clear real-time feedback while scanning. This tool is well suited for hanging shelves, mounting TVs, installing cabinets, and other home improvement tasks. Its lightweight design and multiple scan modes make it practical for homeowners, DIYers, and professionals.