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 keys, office keys or other large car keys; And you can also store some small things if necessary, such as credit cards, ID cards etc. Two Unlocking Modes: This code key safe has a 4-digit digital code and emergency button; It can set up to 10,000 combinations at most. You can set your own access code and change it regularly to improve security, making it difficult to crack. Emergency buttons can be more convenient in case you forget the code! Easy to Install: This outdoor key safe comes with 4 screws and 4 nylon expansion wall anchors to ensure that the code key box can be mounted on 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 mounted key box is made of durable aluminum alloy, resistant to water, corrosion and weather. Perfect for outdoor 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 when you are 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 flower pot when you are out of home, but worrying if it is safe? Don't worry! Our secure key safe can make your life easier. And there are 2 unlocking modes, which is more convenient than others, you will not need to open it when you forget the password, using the emergency key instead. The car key box is perfect for sharing keys safely with: children after school, babysitter, emergency care for the elderly, etc. How to set a password? 1. Open the key box 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 the new password. 4. Push the reset button to "A". Emergency unlocking and password recovery: 1. When you forget the password, use the emergency key to open the 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 key box. Note: Please remember to take out the emergency keys when you receive this product. Specifications: Dimensions: 14.7cm * 9.7cm * 5.8cm / 5.8in * 3.8in * 2.3in Inner dimension: 11.5cm * 9.2cm * 5cm / 4.5in * 3.6in * 2in Material: Aluminum alloy Weight: 650g / 1.43lb Packing list: 1 * Key safe box 4 * Screws 4 * Expansion plug 1 * Instruction 1 * Emergency keysGood quality product