StudSensor™ A100 is an edge locating stud finder. Select from two scanning modes to find the edges of wood and metal studs and joists up to 1 1⁄2 in. (38 mm) deep. Equipped with WireWarning® Detection, the A100 alerts you to live unshielded electrical wiring when scanning in both StudScan and DeepScan® Modes. The SpotLite® Pointer, LCD sc