Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: What are the dimensions of the interior? At 18.5" outside width how did you fit it between the common 16" stud spacing?
Document: I wanted a way to secure my pistol but have fast access to it. This fit the bill. It installed easily and has worked flawlessly so far.
This seems like a very nice safe but it arrived missing the battery cover, which makes it impossible to use. The LED lights that are mentioned also did not work. I had to contact Canon to have them ship a new replacement safe because they don't have spare battery cover parts and amazon did not have any more of these in stock. Canon is also sending a call tag to return the safe to them.
This safe gives us a place to lock guns and valuables. It is easy to open and close. My husband installed it with no problems.
This is the 2nd wall vault we have purchased. We had to leave the first one in the house we sold because the new owners loved it so much. Easy install and operation and great to keep items safe and secure. We mounted a canvas print on hinges over ours so you don't even know it's there!
Good little safe. Very James Bond
Answer: no