1.5in1 Detection Capability: This electric stud finder offers five distinct functions—detecting magnetic metals, nonmagnetic metals, wooden beams, PVC pipes, and even live wires—making it a useful allinone tool for any wall, ceiling, or floor project. 2.Accurate and Reliable: With a detection depth of up to 8cm and precise edge and center scanning, this tool ensures accurate readings, helping you safely locate studs, pipes, and wires behind your walls to avoid mistakes during drilling or installation. 3.Quick and Simple Calibration: Calibration is easy and quick—simply press the mode button, place the device on the wall, and wait for the 'beep' to signal calibration completion, so you can start your project without unnecessary delays or confusion. 4.Convenient and Easy to Use: Powered by a standard 9V battery, this handheld device features a userfriendly interface with a clear LCD display, allowing for effortless detection and realtime readings, making it suitable for both professionals and DIY enthusiasts.