Q81C 4 in 1 Electronic Sensor Finder Gift for DIY Work Friends and Family Electrical and Woodworking DIY for HomeOOTDTYoottyFeatures: 100% Brand New and High QualityStud finder Wall Scanner adopts advanced sensor technology to accurately and quickly locate the pins of metal AC wires. Digital with LCD display and alarm, the pin finder is equipped with a large LCD display with LCD display and alarm, which helps to detect the exact location of objects, in addition to the display detection mode, center indication, low battery indication, etc. Automatic calibration ensures maximum reliability and accuracy. Easy-to-read LCD display, in stud/deep mode, place it on the wall where you want to detect it to calibrate it; In AC/Metal mode, place it in the air to calibrate it. The dowel finder quickly locates wooden, metal, and AC wires hidden in your home's walls, floors, and ceilings. It is a safe drilling tool that helps you avoid a potential major problem when installing TVs, cabinets, etc. It can also help you find accurate studs when installing TVs, bathroom cabinets, cabinets, picture frames, garage frames, and home decorations. Specification: Material: ABS Size: 17.3x7.7cm/6.81x3.03inchesPackage Included: 1 x Wire Detector in the WallNote: Please allow 0-1mm errors due to manual measurement, please make sure you do not mind before ordering.