Electronic stud sensor 3 in1 for AC wire and metal detection1、5 in 1 DEEP DETECTION FUNCTION: our wall scanner wood stud finder features 5 scanning modes respectively. Includes 1/2” stud scan, 1” stud scan, 1.5” stud scan, metal scan \u0026 AC scan. Helps you quickly \u0026 easily locate wood, metal studs, joists, beams, metal pipes, rebar \u0026 live AC wire behind walls, floors, ceilings. 2、HELPFUL LCD DISPLAY \u0026 SOUND WARNING: this wall detector features a large LCD display \u0026 sound warning to help detect the accurate location of the objects. Saves you lots of time by displaying the desired stud center \u0026 the precise position of the stud. 3、HIGHLY COMPATIBLE: our wall stud finder sensor is lightweight, long-lasting and convenient to use in your home, office, workshop. Makes all of your DIY home projects easier such as mounting your TV, bathroom cabinet, photo frame, garage racks etc. 4、AUTOMATIC CALIBRATION AND SIMPLE USE: turn on the stud finder and complete calibration by placing it on the wall. The finder will flash and beep once it has picked up the edge of a stud. Automatic calibration before using provides users with maximum reliability \u0026 accuracy. 5、COMFORTABLE ERGONOMIC DESIGN: the ergonomic design means you can hold the wall scanner in your hand comfortably. Strong grip let’s you hold the electric stud finder tightly \u0026 keep it moving correctly to get more accurate results.