3 In 1 Metal Detector Digital Wall Detector Pinpointer Metal Finder Wood Studs AC Voltage Live Wire Wall Scanner Electric Box  Description: Wood stem center detector with metal and voltage detection function. It is used to detect the center position of wooden stem, metal position and live wire in wood and gypsum board wall. Features: 1. Rapid detection of the central position of the stem 2. LCD display, easy to read 3. The center of the stem can be detected. The wall thickness is within 1/2 inch (13mm). The center of the stem can be detected. The wall thickness is within 1 inch (25mm). 4. The center of the stem can be detected. The wall thickness is within 11/2 inches (38mm). 5. Can detect iron, lead, aluminum and other metals, wall thickness within 2.36 inches (60 mm) 6.Detectable live wires in the wall, wall thickness within 2 inches (51mm) 7.All detection functions have automatic correction function. 8. All detection functions have AC warning function. 9. Display the edge of the wood rack 10. Low Voltage Display Specifications: Material: ABS Shell Power supply: 1*6F229V battery (not included) Working temperature: 0 - 40℃ Product size: 154.7*69.5*30mm/6.09*2.74*1.18" Weight: 146g Color: Black/Yellow