ZENY Digital Security Cabinet Safe Box Solid Steel Construction Hidden with Deadbolt Lock Wall-Anchoring Design Strong and Durable -- Made of strong solid steel,crafted with two enhanced live-door bolts and pry-resistant concealed hinges. For more security, it can be bolted to the wall,shelf or floor,which will definitely stop any casual thief or keep kids away from dangerous items. Double Insurance -- Hidden lock with two keys, program 3 to 8 digit PIN, security and power status shown by a series of LED lights. 4mm thick front door for more security and 0.75" thick door bolt for secure locking. Burglary resistant design, highly reliable and dependable. Pre-Drilled Holes for Wall Mounting -- Equipped with pre-drilled holes in the back for even further security or to permanently affix the safe if you prefer. Mounting bolts are included. Multifunction -- Great for storage handgun, money, jewelry, passports and other valuables in your home or office. The compact design make it easy to stash away in a closet or inconspicuous location. No Battery IncludedWarm reminder: 1) ** Never leave keys inside the safe box, even use digital code. 2)** *Note: The safe is shipped locked. To open for the first time, pls use one of the two override keys provided. 3) ** Video link about how to open the safe: https://youtu.be/76iaQ3hsasg, https://youtu.be/fDJr1YWsTZ0 Overall size: 6.69x9.05x6.69 inch, Interior size: 6.57x8.94x4.96 inch, Wall thickness: 0.59inch, Door thickness: 1.18inch