Comes with vent cover , printed box insert and mounting screws. Easy to install just trace box, cut drywall between studs, insert box and screw to the studs with supplied screws. The last 2 pics show the install process. The use of magnets allows you to be able to quickly open the safe if needed. This vent cover is identical to the standard ones inside most homes. As seen in pics. inside measurements are 13.5in x3.5in x6in. Statistics' show on average thief spends 9 minutes on a house burglary, which is enough for obvious hiding spots like bedside table or furniture safe. That's why you'd better have a diversion safe or hidden safe in plain sight that won't be detected!

Hidden Wall Safe Air Vent Cover Secures Jewelry, Valuables, Cash guns.