Key lock box is a 4-digit password box with 10,000 combinations which helps you to avoid lockout of hosts, brokers, contractors, family members and tenants, The password lock is ideal for house, emergency entry, vacation home, pet sitters, and office ,The code is easy to change & code can be shared. The box is made of aluminium alloy lock body, stronger, safer, and effective resistance to violent damage. The device is large hence no need to bring a key when going out, travel more easily, easy to operate.