Klein Tools Electronic Stud FinderElectronic Stud Finder detects hidden wood and metal studs with an auto deep scan capability of up to 1-1/2-Inch. The device offers mutable audible alerts and bright LEDs across the top, clearly indicating the full width of the stud. It features an ergonomic handheld grip, HOLD mode, a Klein Tools Electronic Stud Finder - KLE-ESF100