1-1/2 Inch Stud Sensor

The Stanley Stud Finder is capable of detecting wood and metal studs up to 1-1/2 inches below surface materials and features auto-calibrating AC detection to ensure accuracy. With a slim profile design, this stud finder indicates what it is sensing below the surface with sequential LEDs and audible beeps. Powered by 2 AAA Batteries which are included · · · Detects wood and metal studs at 1-1/2 inch depth · · Center marking channel for accurate stud markings · · Slim profile for easy storage and portability · · Auto-calibration for continuously accurate readings · · Ac detection · · Audible alert: for clear notification of stud location