A key box is durable, not easy to crack and explosion-proof, and has long service life. It has a hidden password cover design to prevent others from peeping. With a 4-digit password design, the key box of this password lock is safe to use. It has a large capacity and can be used to store keys, USB flash drives, bank cards, etc. It is made of high-quality pvc and metal material. There are 5 colors compatible you to choose from. It is suitable compatible home, outdoor, dormitory, office and so on. Item Name: Password Key Box Material: PVC, Metal Features: Security Padlock, Prevent Thieves, Anti-pressure Size Details: Black, L: 10.5cm/4.13", W: 9.6cm/3.78", H: 4.2cm/1.65" (Approx.) Red, L: 10.5cm/4.13", W: 9.6cm/3.78", H: 4.2cm/1.65" (Approx.) Grey, L: 10.5cm/4.13", W: 9.6cm/3.78", H: 4.2cm/1.65" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Operation Method: 1. The initial password is 0-0-0-0. If the password is correct, open the password lock. 2. Move the code lever to move from point A to B. 3. Turn the password wheel to set the password you want. 4. Turn the code lever from B back to point A to complete the password modification. Package Includes: 1 x Password Key Box 1 Set of Screw Accessories 1 x Nail-free Glue