1. High security: The combined password can be set by yourself. Compared to traditional keys, the password is more complex and confidential, more secure. 2. Convenience: With this key box, you no longer need to carry and manage physical keys, avoiding the trouble of forgetting to bring keys and losing keys. 3. Large capacity: In addition to storing keys, the password key box can also store U disk, ID card, bank card and other small items, bringing more convenience to your life . 4. Durable Construction: The key lock case is made of stainless steel, durable and can prevent hammering and prying. No more hiding keys under carpet vases 5. Scope of application: the key box is suitable for storing keys indoors or outdoors, such as apartment entrances, garages, cleaners and construction workers . Specification: Item Type: Key Lock Box Material: Stainless Steel Package List: 1 x Lock 1 x Iron Sheet 4 x Expansion Tubes 4 x Small Screws 1 x Large Screw 1 x Nut 1 x Glue 1 x Instructions for use 1 x auxiliary sticker