Most Accurate and Highest Security - The stud finder is specially designed. The most advanced sensor technology is used to accurately and quickly locate metal pipes, fire lines, studs, wooden frames, steel bars and support beams hidden behind walls, floors and ceilings. Whether you are a professional, homeowner or DIY enthusiast, you can find good use in this electronic screw-mounted scanner The wall-mounted scanner includes five different scanning modes, suitable for metal tubes, fire lines, studs, wooden frames, steel bars and supports, as well as ceilings, objects deep behind walls. Bolt mode can detect wooden beams and joists in the drywall, up to 1.5 inches. Metal mode can detect up to 3 inches of pipe. Depth mode detects up to 3 of wood and metal components, while 85-240V AC current can be used for up to 2 of voltage and live wire Self-calibration and ergonomic grip, comfortable to use, before testing, please hold down the scan button for 1-2 seconds. Self-calibration provides maximum reliability and accuracy for users. Ergonomic design of this wall stud finder allows it to be mounted from any angle nbsp;LCD display, shows required material and exact stud position - Digital stud scanner with large LCD display and loud warning, can detect the exact position of the object. When the material is found, the LCD screen will beep to let you know if you are close to the target. Quick detection saves time and effort for users and makes it easier to complete tasks Size: about 171*70*35mm Color: silver/ p Quantity: 1 piece