Description: 3 in 1 Deep Detection Function: features 3 scanning modes respectively. includes stud scan, metal scan & AC scan. helps you quickly & easily locate wood, metal studs, joists, beams, metal pipes, rebar & live AC wire behind walls, floors, ceilings LCD Display & Sound Warning: can help detect the accurate location of the objects. saves you lots of time by displaying the desired stud center & the precise position of the stud. Highly Compatible: 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. 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 & accuracy Comfortable Design: means you can hold the wall scanner in your hand comfortably. strong grip let’s you hold the electric stud finder tightly & keep it moving correctly to get more accurate results. Specification: Material: ABS Shell Function: The center of the stem can be detected. The wall thickness is within 1.5 inches (38mm). Can detect iron, lead, aluminum and other metals, wall thickness within 2.36 inches (60 mm) Detectable live wires in the wall, wall thickness within 2 inches (51mm) Low Voltage Display Power Supply: 1x 6F229V Battery (not included) Working Temperature: 0 - 40℃ Size Chart: Size: 154.7x69.5x30mm/6.09x2.74x1.18inch Package Includes: 1 Piece Wall Detector Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.