Multifunctional Detection: This 4-in-1 wall detector is a powerful tool that can precisely locate the center position of wooden rods in wooden board and plasterboard walls. Additionally, it can detect the presence and position of metal objects and AC cables. Whether you're planning to install a TV, cabinets, or need to drill holes in the wall, this detector ensures accurate work. Simple and Precise Operation: Before each scan, calibration is essential. First, select the appropriate mode according to what you want to detect. Then, press and hold the scan button on the right side of the tool. The calibration process is complete when the dimming bar disappears and a beep sounds, indicating that the device is ready for accurate detection. Versatile Detection Targets: It is designed to handle a variety of detection tasks. From finding wooden studs hidden within walls to identifying metal components and tracing the path of AC wires, this detector provides comprehensive information, making it suitable for different home improvement and construction projects. User - friendly Design: The detector features an LCD display, which clearly shows the detection results. In case of accidental shaking during the scanning process, the device needs to be recalibrated to ensure accurate readings. In the metal/AC mode, calibration requires placing the detector in the air, a simple step that contributes to reliable performance. Stylish Appearance: With a sleek black and silver color combination, this wall detector not only offers great functionality but also has an appealing look. It's a practical and aesthetically pleasing addition to any DIY enthusiast's or professional contractor's toolbox, ready to be used for various wall - related tasks. Wide application This finder can be used to detect the center position of the wooden rod in the walls of wooden boards and plasterboards, as well as the position of metal and cablesAC, so you can accurately install TVs, cabinets, drill holes in the wall, etc. You must calibrate the detector before each scan.You first select the mode, then press and hold the scan button (on the right side of the tool) to calibrate the tool.Calibration is complete when the dimming bar disappears and a beep sounds.If you accidentally shake the scanner, you need to recalibrate the device.In metal/AC mode, you need to place it in air for calibration. Specification Color: Black and silverPackage included:Wall detector*1Battery*1