Durable and Waterproof: The key box is made of zinc alloy, weather-resistant, frost-proof, and rust-proof, resistant to hammering and sawing. Waterproof key safes have a sliding cover that protects the combination dial from weather and privacy. In addition, the larger space accommodates more keys than other boxes. Secure Key Box: Key safes are a secure solution for sharing your keys with your children, household staff, construction workers, pet sitters, and shared accommodations. Secure key box ideal for emergency entry and secure storage of keys. Don't worry about forgetting or losing your keys. Large Space: Weight 635g, Outer (H x W x L) 14.5 x 11 x 6.5 cm, Inner (H x W x L) 11 x 7.5 x 6 cm. Large key box with hooks for easy access to keys. Universally suitable for homes, rental properties, gardens, offices, factories, etc. Easy to Install and Use: 4-digit combination key box with installation tools and user manual. 10,000 codes can be combined. Original password: 0-0-0-0. How to reset your new password? First, press the reset button from A to B. Second, set your new password. Third, press the button back from B to B, done. (Take a picture to save your new password) Important Notes: A. Keep the cover closed to ensure a tight seal. B. It is recommended to rotate the dials weekly to keep them in good condition.