You are Buying a brand New And Factory Sealed 5440D - Bluetooth Electronic Wall Mount Push button Lock Box by Master Lock. Master Lock Bluetooth Lock Boxes offer the freedom to protect and control access to homes, businesses or vacation properties right from your smartphone. The free and intuitive Master Lock Vault eLocks App allows users to assign who can access their property, and for how long. It's the smart and simple way to confidently secure property and manage from anywhere at any time. The Master Lock No. 5440D Bluetooth Wall Mount Lock Box. Open and manage with your smartphone or with temporary or permanent codes. Monitor who visits and when through the App and notifications. Easily installed using hardware supplied with the lock box. Large capacity to hold key cards or traditional keys. Long life battery is easily replaceable. Solid body durability and coated surface to protect hardware and door finish. Works with the free Master Lock Vault eLocks App. Ideal Access Control For: Real Estate Sales, Commercial Property, Rental Property, Vacation Property, Job Site Home. Features and Benefits: - Open and manage with your smartphone. - Use the FREE Master Lock Vault eLocks App for Andriod or IOS. - Can also be accessed by entering a traditional code on the keypad. - Schedule access now or in the future. - Provide permanent or temporary access. - Includes mounting hardware for easy installation. - Use the App or web to track usage. - Tamper alerts and low battery warnings. - Large storage capacity for keys and access cards. Security and Durability: - Solid body with protective coating prevents scratches. - Weather resistant to -40.