[Precise Positioning]-- This magnetic stud finder can find studs quickly and accurately. Your stud finder attaches easily to your wall magnetically, and you barely need a pencil to mark stud locations. No batteries required, the magnets are strong enough, this stud finder has the rare earth magnetic with 27 pounds of pull. [Magnetic Stud Tool]-- Stud finder magnet will easily detect metal through 1/2 or 5/8 drywall, wood frame walls, and also through up to 3/4ceramic tiling and plywood paneling. This wall stud finder can easily detect metal in less than a minute. [Compact Size]-- The stud finder is small size and easy to fit in your pocket or tool bag. The stud finder wall scanner has a hanging hole design for stringing and easy to carry around.Convenient and fast, accurately find the screw position, saving a lot of tedious work [Multiple Uses]-- Metal stud finder is great for hanging photo frame, TVs, mirrors and anything else that needs to be securely mounted to a wooden stand or metal studs. The wall scanner is designed for users like renovations, DIY, and professionals. It's durable enough to withstand being dropped off a ladder or thrown into a toolbox.