Even with perfect , you may hit snags. Here is the fix for the most common complaints.
Electrical outlets are almost always nailed to the side of a stud. Look at your outlet. Find which side has the screw marks (the "stud side"). Scan ¾ inch to the left or right of that outlet. You will find the stud immediately. pittsburgh 5 in 1 stud finder instructions
If you have a different version (black/orange or mini model), the button sequence may vary slightly — check the back label for model number. Even with perfect , you may hit snags