$4: An extra hiding spot can never hurt. Just don’t put this one where you think someone would like to charge their phone. Looks like an authentic electrical outlet and the actual safe part is 3.75 inches wide, 3 inches high and goes down 8 inches deep into the wall. So two things to consider when buying this, the first being is there enough room behind my wall, another is what do I want to put in there… because it will basically only hold small things that are less than 3 inches. If you have small collectors items, jewelry or some extra cash, give it a go.