Upgraded Removable Wire Rope ShackleSteel cables are softer and longer than metal shackles and are suitable for cabinets with wider spacing. Also, you can remove the steel cables and use it as a normal key lock case. Portable Design - Free of InstallationSimply hang the key safe with its removable shackle - cannot be opened only when you open the key safe - on doorknob, fence, railing etc. Secure Storage Capacity Suitable for up to 5 house keys. Prevent lock-outs and provide access to your property by health aides, service technicians and pet sitters when you are at work or on vacation. Perfect solution storing keys for Airbnb rentals. Suitable for Outdoor & Indoor UseWeatherproof rust-resistant steel. Heavy duty zinc alloy and steel offers extra resistance to cutting, hammering and sawing. 4-Digit Combination DialsIt offers up to 10,000 combination possibilities. Attached hinged cover allows for 1-handed operation. Clear instructions guide you to re-set your access code at any time. Please note that once the password is reset, it is best to take a photo to record or it will have no way to open again.