Item Type: Stud Finder Wall Scanner <br>Mode: SH301 <br>Material: ABS <br>Power Supply Method: 1 x 9V dry battery (not included) <br>Measurement Range: <br>Wood Detection: <br>|: 1/2 inches (12.7 mm) <br>II: 1 inch (25.4 mm) <br>III: 1 1/2 inch (38 mm) <br>Metal Detection: 2.36 inches (60 mm) <br>AC Detection: 2 inches (51 mm)<br>1、5 IN 1 STUD FINDER: Used to detect the center position of wooden stems, metal positions, and live wires in wall made of wood or gypsum board materials, and equipped with AC warning function. <br>2、ALARM DESIGN: The design of the alarm allows you to constantly understand the condition of the wall, making the operation more accurate. <br>3、QUICK POSITIONING: This stud finder can quickly and easily locate metal studs, joists, metal pipes, steel bars, and live AC wires behind wall, floors, and ceilings. <br>4、WIDELY USED: Clearly identify which objects are inside the wall, making it more intuitive and accurate. Suitable for wood testing, metal testing, and current testing. <br>5、ESSENTIAL TOOLS FOR FAMILIES: Convenient, durable, easy to operate, able to sense changes in spatial density behind wall, making it a practical tool for families.<p>1 x Tester&nbsp;</p><p>1 x Manual</p>