The Master Lock Select Access SMART™ Bluetooth Large Key Box can be used inside or out. It is unlocked via a Bluetooth® connection using a smartphone or tablet. Download the free app from the Apple Store or Google play. This lets you share access with others one time or permanently. Keeps a record of all the access history, and has a low battery reminder for peace of mind. There is also a backup numeric keypad for access if a bluetooth connection isn't available. Comes with a CR123 battery. https://elecena.pl/product/27214004/master-lock-5441eurd-select-access-smart-x2122-bluetooth-key-box-large 2024-11-10 https://elecena.pl/product/27214004/master-lock-5441eurd-select-access-smart-x2122-bluetooth-key-box-large 2026-06-15