economical Stud finder detector 1) used to find steel/voltage/stud 2) economical,suitable to most user

economical Stud finder detector1) used to find steel/voltage/stud2) economical,suitable to most user

3) work voltage:12v

4) find the wires in the wall

5) find the steel parts in the wall

6) find the stud part in the wall

economical Stud finder detector