Large Secure Storage: The capacity of the large code key box is large enough (inner size about 4.5*3.7*2 inches) to place house, office or other large car keys; And you can also store some small things if needed, such as credit cards, ID cards etc. Two Unlocking Modes: This code key safe features a 4-digit numeric code and emergency key; It allows to define a maximum of 10000 combinations. You can set your own passcode and change it regularly to improve security, which makes it difficult to crack. Emergency keys can be more convenient in case you forget the code Easy to Install: This outdoor key safe comes complete with 4 screws and 4 nylon expansion wall anchors to ensure the code key box can be mounted to any solid surface. No fuss or need for extra work to have a box drilled into the wall at much more expense. Solid Construction: Our wall key box is made of a strong aluminum alloy, resistant to water, corrosion and bad weather. Perfect for exterior mounted. Wide Application: This large outdoor key box can be widely used in home, garden, office etc. It would be a great helper for any occasion. It allows you to keep and secure your car key while surfing, instead of risking hiding it in the sand/under a rock etc. Have you ever hidden your keys under the doormat or in a jar? flowers when you're away from home, but worry if it's safe? Don't worry Our secure key safe can make your life easier. And there are 2 unlock modes, which is more convenient than others, you won't need to open it when you forget the password, using the emergency key instead. The car lock box is perfect for sharing keys safely with: the kids after school, the babysitter, emergency care for the elderly, etc. How to Set a Password pass? 1. Open the key vault with the default password (0-0-0-0) 2. Press the reset button on the back of the cover from A to B. 3. Dial the password to any number you want as a new password. 4. Push the reset button to A. Emergency unlock and password recovery: 1. When you forgot the password, use the emergency key to open the code key box. 2. There are 4 small square holes on the back of the lock. Turn the password wheel so that the red dot is observed from the hole. 3. When the 4 red dots are aligned on the scale, the default password is the password to open the car safe. Note: Remember to take out the emergency keys when you receive this product. Features: Dimensions: 14.7cm * 9.7cm * 5.8cm / 5.8in * 3.8in * 2.3in Inside dimension: 11.5cm * 9.2cm * 5cm / 4.5in * 3.6in * 2in Material: aluminum alloy Weight: 650g / 1.43lb Packing List: 1*Safe Key Box 4*Screws 4*Extension Plug 1*Instruction 1*Keys emergency