High safety: High-strength zinc alloy casting body with 4 heavy-duty mounting screws inside, which provide extra resistance to the key box installed on the wall to prevent hammering, sawing and prying. The resettable 4-digit combination key safe allows you to set your own combination code with 10,000 unique options. Confidently protect and share spare keys to those you love and trust when you work or travel, and never lock yourself out. Capacity: The internal space of the wall-mounted small key safe can hold up to 5 medium-sized house keys. It can also be changed to store small objects such as credit cards and U disks. [Note] Since the locking mechanism itself occupies the upper part, only objects less than 0.5cm can pass through this part. Long and thick items such as remote control car keys are not suitable. Easy to operate: including all installation hardware and pre-drilled holes, it is very simple to install the lock box wall to any solid surface. It takes only four steps to set and reset the 4-digit combination. Instructions are always included. Please note that do not forget your password, otherwise you cannot use the combination or reset the key storage password box. It is recommended to take a photo or write a record after setting a new password. Wide application: The wall-mounted Zhege key lock box allows you to easily and safely access spare keys, preventing emergency access by people living alone, family members, friends, schoolchildren, elderly parents, health assistants, nanny, dog walking and other family services locks, Caregiver and so on. The resettable digital key locker is also an ideal solution for storing and sharing keys in AirBnB rental/real estate business, offices, schools and construction sites. Advanced design: The outdoor key lock box is equipped with a black sliding cover, which can hide and protect the dial from dust, rain, snow and ice; high-quality materials are non-corrosive, rust-proof and weatherproof; and environmentally friendly coatings increase resistance. Sometimes it is inevitable to lock yourself out of your own houseLocked out of our own houseWhen we are away, our children, friends, relatives will comeChildren, no one comes in when friends comeNot enough time and keys for all home servicesNo time and key on-site serviceEmergency rescuers cannot reach our elderly parents quickly and reliablyCannot enter the emergency entranceWall-mounted 4-digit combination key lock box makes life saferUltra-safe: 4-digit combination, sturdy body and internal installation make it a highly secure home for your keys. Durable: high-quality materials, exquisite craftsmanship and professional painting, weatherproof and rust-proof, make it a durable home. Note 1: Never forget your code. It is recommended to take photos, send emails or text messages to yourself. Note 2: Keep the black shutters closed to prevent water and dust. Note 3: It is recommended to rotate the dial every week to keep it working normally.