Features:ACCURACY DETECTION: This stud finder is equipped with a stud finder equipped with the most advanced accuracy sensor, it works efficiently and shows edge and center studs, wood, metal, live AC-wires.WIRE-WARNING INDICATOR: Our stud sensors are designed with a wire-warning indicator with wire*warning detection up to 2 inches deep. Whichever mode you choose, the wire-warning is always on when you scan to alert you to live, unshielded AC-wires.EASY TO USE: The double-bonds design is very easy to use. The button on the left is ON/OFF to turn on or off the wallfinder, and the other on the right is the scan mode switch. With this stud finder, you can quickly find metal, and AC-wires in the walls or ceilings of your home to help you avoid potentially serious problems when installing TVs, cabinets, and more.SAFE AND RELIABLE: This magnetic stud finder looks for density changes behind wall materials to locate wood and metal stud centers to avoid drilling hazards.Practical Tool: Automatic calibration before use provides users with maximum reliability and accuracy, and its ergonomic handle makes it easy and comfortable to use when hanging pictures or mirrors.Notice:1.Actual color may be slightly different from the image due to differentlight effect2.Please allow 1-3cm deviation due to manual measurementMaterial: PC/ABSSize: 165*76*35MM