<p>Highly Accurate Wall Scanner: The stud finder uses the advanced sensor system to ensure accuracy after years of testing and upgrading. It can quickly locate wood, metal, and live wire studs. Whether you are a professional, a homeowner, or a DIY enthusiast, this handy tool is very useful. Just calibrate this tool before each scan, then you are ready to drill holes.</p> <p>4-in-1 Scanner with Deep Detection - The scanner includes four different scanning modes for wood, beams, joists, metals, AC wires, and objects deeply embedded behind the floor, ceiling, and wall. STUD mode detects wood beams and joists in drywall up to 3/4 inch. Deep mode detects wood and metal pieces up to 1 1/2 inches. Metal mode detects pipes, rebar, aluminum, and copper up to 2 1/2 inches. AC voltage and live power lines up to 2 inches.</p> <p>Upgraded LED Display & Clear Audible Warning - The wall sensor features a large LED display and a loud and clear audible warning. When you move this tool along the wall, the LED display indicator will give you a clear direction and precise location of objects, and its audible warning will show you the edge or center of that object on the wall. This will make your DIY projects easier and faster. That's why it's recommended to use a handy tool that's essential for you.</p> <p>Auto Calibration for Efficient Scanning: Mocita stud finder will automatically calibrate when you turn it on. Make sure it's calibrated to a position with no studs or AC wires nearby. In stud and deep mode, just calibrate it on the wall. In metal and AC mode, please calibrate it in the air. You then get a clear warning to avoid piercing metal wires or AC cables or other faults.</p> <p>Size: about 172 x 76 mm.</p> <p>Color: silver black</p> <p>Quantity: 1 piece (without battery)</p><p></p>