Specification: Condition: 100% Brand New Item Type: Key Box Material: Aluminum Alloy + Silicone Color: Black Size: Approx.19x9x4cm/7.5x3.5x1.6in(L x W x H) Weight: Approx.610g/21.5oz Initial Password: 0000 Package List: 1 x Key Box4 x Screw and Expansion Screw1 x Instruction Manual Note: 1. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. We do not recommend use the simple combination such as "A‑A‑A‑A" which is easy to crack. Large Storage: This password key box with large storage capacity, the box has large space to store valuable things like keys, usb drives, house cards and so on,you can put them in it when you go to work or on vacation. High Security: This wall mounted key security box is an adjustable combinations lock with 4 dials. It can be converted to non‑resettable mode for additional security. Easy Operation: The wall mounted key security box is easy to install and use, you can set your favorite numbers as your passwords. The 4‑digit combination is easy to remember and reset. Widely Use: The key box can be used in many areas, suitable for outdoor use, It can be hung on doorknob or mount it on the wall, also convenient for cleaner, workmen, elderly, children and house rental to use. Durable in Use: This password key box adopts high quality aluminium alloy and silicone material, protects the box from being damaged by hammer, saw, drill and so on, impact‑resistant, non‑corrosive and weather‑resistant.