3 IN 1 SCAN MODES FOR MULTIPLE APPLICATIONS - This stud finder wall scanner has 5 scan modes up to a depth of 60mm. Locate the center and edges of wood and metal studs in drywall up to 1.5inch deep without missing a stud; Metal mode detects pipe, rebar, aluminum, and copper up to 2.36inch deep; AC Scan detects up to 2inch inches of live unshielded AC wire. MORE ACCURATE AND THAN 90% OF STUD FINDERS ON THE MARKET - For and accurate detection of wall studs behind drywall, this stud finder features a stud finder with state-of-the-art accurate sensors that effectively Ground work and showing edge and center studs, wood, metal, live AC wires. This magnetic stud finder looks for density changes behind wall materials to locate wood and metal stud centers to avoid drilling hazards, and it's like every DIY enthusiast's must-have. Wire Warning Indicators - One of the most dangerous things inside walls and ceilings are live electrical wires. Our stud sensors are designed with wire warning indicators with wire warning detection depths up to 2 inches. Whichever mode you choose, the wire warning is always on when you scan to alert you to live, unshielded AC wires. This stud finder is a top EASY TO USE AND RELIABLE - It our goal to develop a reliable stud finder with level to help you avoid probing hazards. With this stud finder, you can quickly find wood, metal, and AC wires in the walls or ceilings of your home to help you avoid potentially serious problems when installing , cabinets, and more. This wall stud detector requires a 9 volt battery to run all of its functions. Automatic calibration use provides users with maximum reliability and accuracy, and its ergonomic handle makes it easy and comfortable to use when hanging pictures or mirrors. Colour:As Shown Material:PC+ABS Size:16.5x 7.6 x 3.5cm Package Contents: 1 x Wall detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.