Multi-functional LCD Digital Wall Detector Metal Wood Studs Finder AC Cable Live Wire ScannerErgonomic Design: handheld and anti-slip body for comfortable and firm grip.Smart Beep Function: reminds you of the stud's location to find the stud center quickly.LCD with Backlight Display: LCD digital display to show the indication clearly.3 Detecting Modes: stud scan mode, metal scan mode, AC wire scan mode.Automatic Calibration: adjusts the detection automatically for precise detection.With battery level indication.Specifications:Color: Yellow and BlackMaterial: ABSxMaximum Detection Depth:Metal Rebar: 76mm AC Live Wire: 76mm Wood and Metal Studs: 38mm Operating Temperature: -20 - 60 degree Celsius Storage Temperature: -20 - 60 degree Celsius Power Supply: 1 x 9V 6F22 Battery(Not Included) Item Size: Approx. 15.4 x 6.9 x 3cm or 6.1 x 2.7 x 1.2in Item Weight: Approx. 193g or 6.8ozPackage Size: Approx. 23.2 x 14.9 x 4.5cm or 9.1 x 5.9 x 1.8inPackage Weight: Approx. 247g or 8.7ozPackage List:1 x Wall Detector