General description This 3 in 1 Wired Metal Detector, Wood Wire Wall Center Finder is a multifunctional stud finder designed to meet various detection needs. It features three different scanning modes to accurately locate hidden metal pipes, live wires, studs, and wooden frames, making it an essential tool for home improvement projects. Technical specifications Product dimensions: 15.4 x 6.9 cm Detection depth for metal: up to 3 inches (76 mm) Detection depth for voltage: up to 3 inches (76 mm) Detection diameter for wood and metal studs: up to 1.5 inches (38 mm) Usage Scan Mode: Locates the edges of metal and wood studs up to 1.5 inches (38 mm) Metal Scan Mode: Detects metals such as iron, copper, and aluminum pipes up to 3 inches (76 mm) AC Line Scan Mode: Positions the AC line at 3 inches (76 mm) Backlit LCD screen for easy reading Audio alerts and visual instructions for user convenience Automatic calibration for metal detection, voltage, and studs Auto-off function to save battery