Made of carefully selected material, this stud finder is sturdy, practical and has a long service life. This is a multi-functional stud finder, which can be used to detect AC wires, nails, metals and other objects, bringing great convenience to your work. Features - Material: ABS.- Battery: 6F22 9V battery (not included).- Compact handheld body and anti-slip design, convenient to use.- This practical wall scanner can detect metal, studs AC wire inside the wall.- It has a good internal sensor that can accurately locate the center of the stud.- It has a wide range of applications, making home improvement projects easier.- It has a simple design, but very practical in use, giving you a good using experience.Packing list: 1 x detector1 x manual