INTEY Stud Detector Electric Cable Detector AC Wire Detector Stud Finder for Walls 3 in 1 Wood Wall Scanner with Center Finding Metal Stud Sensor WIDE DETECTION RANGE - The maximal detection range of metal parts: 3-inch; AC wire: 2-inch; Stud parts: 1.5-inch. Easy to find the stud center and edges, accurately locates metal pipes, live wire, stud, wooden frames, rebars and joists which hidden behind walls, floors and ceilings. Please pay attention that this stud wall can not be detected if it exceeds the detection depth. EXCELLENT BACKLIT SCREEN - Features with LCD backlight, providing a clear look even in low light conditions, which indicates detection mode, center pointing, low battery indication. Audio indication, with beep sound for reminding of the wire detector. PROFESSIONAL WALL DETECTOR - AC wire warning flag will show on the LCD when live wires are monitored within 1 meter. If you wanna make sure there is live wire, please detect only in the AC mode and calibrate repeatedly. Show Column will elevate as wood stud finder approaches item's center, and the highest column site is the center of studs. Beep sound will remind you when you find the target. BROADER APPLICATION- It's a great helper for plumbers, contractors, carpenters, masons, home renovators, construction workers, electricians, DIY enthusiasts, and others who need reliable detection. Great solution for all your detection needs. Ergonomic Design- Compact handheld body and anti-slip design, convenient to use as a handy household device. Comes with an audible beep feature that sounds reminding you of the stud's position/location. Provide 24 months product warranty, technical support and friendly customer service if you have any problem with INTEY wall detector.