The Stud sensor E50 quickly and easily locates the edges of wood and metal studs and joists behind walls, floors and ceilings. 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 wire warning detection indicates the presence of live AC voltage. Its new patent-pending pinch grip and contoured shape provide an easy, secure hold in either hand, at any angle. Product Features: Locates the edges of wood or metal studs up to 3/4 in. (19 mm) deep Deep scan mode doubles the scanning depth to 1 1/2 in. (38 mm) Easy-to-read LCD display indicates when a stud edge is approached Updated spotlite pointer shines an arrow-shaped light on the wall to mark the target Wire warning detection indicates the presence of live, unshielded electrical wiring up to 2 in. (51 mm) deep Should scanning begin over a stud, Zircon's patented "over-the-stud" indication alerts the user to start the scan in a new location Patented TruCal technology indicates when the tool is calibrated and ready
