The StudSensor e50 stud finder locates the edges of wood and metal studs and joists behind walls, floors, and ceilings. Two scanning modes allow you to scan more surfaces in your home than normal stud finders. Stud Scan mode scans through surfaces up to 19 mm deep and DeepScan mode doubles the scanning depth to 38 mm deep. Its easy-to-read display screen indicates stud edges, the patented SpotLite Pointer shines a beam of light on the wall to identify the target, and WireWarning detection indicates the presence of live AC voltage. Patented pivot pinch grip design and contoured shape provide an easy, secure hold in either hand, at any angle.