Description 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. 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.