Stanley FatMax Stud Sensor 400

Model 400 77-730
Depth range for metal or wood studs: up to 1.5" (38mm) through drywall
Depth range for live AC wires (120VAC): up to 2” (50mm) through drywall
Water and shock resistant
1x 9V battery is required for use
This stud sensor has been tested and is in good used condition.
See pictures for details