Super Security Lock BoxSecure key box is constructed with high quality aluminum alloy and zinc alloy resistant to rust and corrosion, meeting the highest quality standards , sturdy enough to withstand hammering, sawing and digging. Even if it is installed outdoors, it can withstand wind and sun, ensuring long-term use. 12-Digit Code CombinationThe 12-digit code allows you to set code with lots of unique choices, which ensures high security. Make sure to save your password by taking a photo or note after each password reset, otherwise, you have no way to recover it. The waterproof lock box user manual will guide you through every step and allow you to reset your passcode at any time. Extra Large Key BoxAt least 5 house keys or car can be locked in this wall-mounted key box, along with access cards, credit cards and USB sticks. It is suitable for outdoors and indoors, and can be used for emergency access or keyless entry of family, pet sitters and friends to the apartment, garage, garden, classroom, factory, company, store, college, dormitory, vacation home, etc. Easy to InstallUsing all mounting parts and The pre-drilled holes supplied with the security key box, 4 screws and 4 nylon expansion bolts, the key box number combination can be easily fixed on a solid surface. The key storage box is easy to open when you use the correct numbers.