Features: 1.Advanced Metal and Wood Detection: Our wall detector is equipped with cutting-edge technology to accurately detect metal and wood inside walls making it an essential tool for interior decoration projects. 2.Precise Location Identification: With our metal inside the wall stud finder you can easily locate the exact position of metal objects. This allows for precise sampling and ensures efficient and accurate detection. 3.Visual and Audible Alerts: Our metal detectors provide both light and sound indicators to notify you of the presence of metal. This dual alert system enhances detection efficiency and ensures you never miss a spot. 4.Durable and Portable Design: Designed for the needs of decoration workers our wall detector is built to withstand rigorous use. Its compact and lightweight design makes it easy to carry around ensuring convenience and ease of use on various projects. 5.Reliable Inspection Results: Whether you're inspecting a new house or conducting routine decoration checks our wall detector delivers reliable and trustworthy results. It enables thorough inspections of both metal and wood giving you peace of mind and ensuring the quality of your work. Specifications: Detection Depth: 19mm Position Accuracy: 3mm Notice: 1.Actual color may be slightly different from the image due to light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1 * Detectors 1 * Instruction Manual