Stud Finder Wall Scanner Multi Scanning Tools 3 in 1 Nail Metal Detector Tester for Wood Stud AC Wire Metal Pipes Detectoring with 9V Battery

3 in 1 Stud Finder :Multi Scanning Wall Sensor With Sound Warning For Wood Stud AC Wire Nail Cable Metal Detector Include 9v Battery;Detection Capability: This stud finder can locate center of wood studs up to 3/4-Inch (19.05mm) deep, Ac Wire Warning detection indicates the presence of live wire up to 2"(58.0mm) deep away from the wall, metal studs up to 1 1/2-Inches (38.0 mm) deep;Easy Operation: select the probe type,then just press and hold the side button and scan horizontally across the object surface. Auto power off if no operation after 60 seconds;High Effeciency:LCD screen accurately displays what type of stud you are finding as well as its position and the battery status of the device;