I evaluated their capabilities on a variety of wall surfaces and home types, eventually landing on the Bosch GMS120 Stud Finder as the best overall option. Continue reading for more about what to ...

However, the stud finder you choose will mostly depend ... when you locate the center of the stud. This wall scanner from Bosch accurately detects various materials behind the drywall.

The Bosch Professional Stud Finder GMS 120 ($74.11 at Home Depot) uses this technology. Walabot makes a sensor that pairs with a cellphone to provide images showing hidden objects within a wall.

and wall-mounted office monitors. Bosch’s GMS120 is more than just a stud finder (though it located the centers of those we tested it on within an eighth of an inch). It also detects live AC ...