Usage Tips:[Enhanced Precision Technology] Incorporating an advanced chip for heightened accuracy, this stud finder stabilizes quickly to pinpoint metal, wood, and AC wires hidden in walls and ceilings. Its precision eliminates guesswork, enhancing safety and saving time during interior renovations.(Requires one 9V battery for power, not included)[User-friendly Operation] Designed with simplicity in mind, -button interface of this stud detector not only powers it on and off but also toggles between modes. The straightforward operation is perfect for DIY enthusiasts and professional users looking to streamline their workflow.[Comprehensive Scanning Modes] Addressing a spectrum of materials and depths, this scanner offers five modes. Depending on your project's need, choose between half-inch to deep 1.5-inch wood and metal scans, and up to 2.36-inch metal or 2-inch live wire detection.[Smart LCD Display and Audible Alerts] The unit's LCD display is backlit for visibility in low light, showing the location and depth of hidden items. It emits a beep to indicate proximity to an object, aiding in more accurate detection-perfect for precise mounting of shelves, frames, and electronics.[Calibration and Versatile Use] Easily calibrate for optimal accuracy with a press-and-scan button sequence. perfect for locating studs, joists, and wires in your home's walls, floors, and ceilings, it's essential for installing household fixtures and for ensuring construction safety.Colour:YellowMaterial:plasticPackage Contents:1 * detectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.