High Security Security Box: Set your own 4-digit combination for keyless convenience; offers up to 10,000 combination possibilities for added security. Large Capacity: The upgraded version of the resettable house combination key lock box increases the internal storage size to hold multiple keys or bank card, ID card, some special small car keys at one time. Wide Application: The key safe should be designed for indoor and outdoor use. It is a great key safe for emergency entry, vacation homes, pet sitters, etc. It has a wall mount design for permanent installation. Heavy Duty Material: The combination key safe is constructed with a high strength aluminum alloy body for durability and a shutter door to protect the combination dials from weather, dirt and grime. Wide Application: This is a safe high value key for indoor and outdoor use, ideal for use by cleaners, laborers, the elderly, children, Airbnb and home rental