Extra large storage capacity: Can store at least 10 small house keys, suitable for car keys, remote control keys, credit cards, access cards, USB thumb drives and other items. Wide application: Suitable for both indoor and outdoor use, ideal for emergency access or keyless entry for family members, pet sitters, realtors and friends. Applicable to dormitories, vacation homes, apartments, gyms, garages, factories, companies, stores, universities, gardens, classrooms and more. 2 ways to install: Comes with a removable latch for hanging on door knobs or other places; can also be securely mounted using provided expansion screws. Secure and durable: Made of high-grade rust-resistant aluminum alloy, strong enough to withstand hammering, squeezing, sawing and prying. New design with protective cover: Features a protective cover to hide and protect the dial from dust, sunlight, rain, snow and other harsh weather. Color: As shown in photo. Material: Aluminum Alloy. Package contents: 1 x Key Lock Box (other products not included). Note: Light reflection and different displays may cause slight color difference from the real item. Measurement allowed error is +/- 1-3cm.