1. This is a password key storage box. 2. There are 4 passwords, and the initial password is 0000. 3.Strong aluminum alloy enclosure for preventing thieves from using violence to steal keys 4. This box is waterproof. 5.Convenient storage keys and important small objects. 6. It is suitable for families, offices, warehouses, and other places. 7. This is a good way for people who often lose keys.