The Eclipse Tools 902-592 is a MultiFinder 3-in-1 stud, metal, and wiring finder. The multi finder allows you to quickly and easily locate edges and centers of the wood, metal studs, and joists behind walls, floors, and ceilings. It has a detection depth of up to .75in. It features visual and audible indicators for all environments and has a three-mode selection with an easy-to-read display screen. It also has an ergonomic handle for comfortable use.