5 In 1 Metal Detector Wall Detector Wall Thickness Gauge Backlight Wall Stud Finder Electronic Wall Scanner Gold Finder Please note: The product does not come with a battery! 5 In 1 Metal Detector Wall Detector Wall Thickness Gauge Backlight Wall Stud Finder Electronic Wall Scanner Gold Finder 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. LCD Backlit Display and Audible Indication: Illuminated graphical LCD and sound signal indicate mode, detection strength and more. Compact handheld body and anti-slip design, convenient to use as a handy household device. Smart beep feature- Comes with an audible beep feature that sounds reminding you of the stud's position/location. Quickly locates edges and center of metal studs, pipes, rebars, joists behind walls, floors and ceilings, also indicates the presence of live AC wire. 1) Quickly detect the center position of the wood stem 2) LCD display, easy to read 3) The center of the wood stem can be detected, and the wall thickness is within 1/2 inch (13 mm) 4) The center of the stalk can be detected, and the wall thickness is within 1 inch (25 mm) 4) The center of the wood stem can be detected, and the wall thickness is within 1 1/2 inches (38 mm) 5) It can detect metals such as iron, lead, aluminum, and the wall thickness is within 2.36 inches (60 mm) 6) It can detect live wires in the wall, and the wall thickness is within 2 inches (51 mm) 7) All detection functions have automatic correction function 8) All detection functions are equipped with AC warning function 9) The edge display of the stalks 10) With low voltage display 11) Working temperature: 0℃-40℃ 12) Driven by a 6F22 9V battery (not included in the unit price) _x000D_ _x000D_