3 in1 Detector Stud Detector Sensor Wall Scanner-Electronic Stud Sensor Metal Detector With LCD product description: Wood stem center detector, with metal detection and voltage function It is used to detect the center position of the wooden stem, the position of the metal and the live wires in the walls of wooden boards and gypsum boards. Helps you quickly & easily locate wood, metal studs, joists, beams, metal pipes, rebar & live AC wire behind walls, floors, ceilings 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. COMFORTABLE ERGONOMIC DESIGN: the ergonomic design means you can hold the wall scanner in your hand comfortably. Strong grip lets you hold the electric stud finder tightly & keep it moving correctly to get more accurate results. Suitable for all types of people specification: Quickly detect the center position of the wood stem LCD display, easy to read The center of the stalk can be detected, and the wall thickness is within 1/2 inch (13 mm) Can detect the center of the stalk, the wall thickness is within 1 inch (25 mm) Detectable wood stem center, wall thickness within 1 1/2 inches (38 mm) It can detect metals such as iron, lead, aluminum, and the wall thickness is within 2.36 inches (60 mm) It can detect live wires in the wall, the wall thickness is within 2 inches (51 mm) All detection functions have automatic correction function All detection functions are equipped with AC warning function The edge display of the stalks With low voltage display Working temperature: 0-40 Size: 15.5x7cm Battery: 1*9v battery (included) Package Contents: 1x wall detector