STURDY AND : key lock box is made of high strength and heavy-duty materials, well-made and sturdy enough to withstand hammering, resist crushing, sawing, and prying. And the ABS shell can effectively prevent rain, dust, Snow, sun protection, and repeated use for a long time SAFE AND SECURE FOR YOUR KEYS: The 4-digit code allows you to set your own combo code with 10000 choices, which ensures security and your key's safe in our lockbox. MAKE SURE TO RECORD YOUR PASSWORD BY TAKING A PHOTO OR NOTE AFTER EVERY TIME RESET THE PASSWORD, OTHERWISE, YOU HAVE NO WAY TO BACK; EASY TO INSTALL: The package comes with all necessary mounting hardware, consisting of 4 screws and 4 nylon expansion plugs, and a manual, which makes it simple to mount it with no additional hardware purchases. It is tightly sealed and waterproof, enough for key and outside key storage LARGE CAPACITY: The portable key security gym locker box provides large internal space for holding up to 5 house keys [shorter than 3.35