The Yale Linus Smart Lock allows you to lock and unlock your door using your smartphone or Apple Watch, providing keyless access from anywhere with the Yale Access App. Remote functionality requires the Yale Connect Wi-Fi bridge. Features like Auto-Unlock use geo-fencing to unlock your door as you approach, and Auto-Lock can be enabled to secure your door after closing. Security is enhanced with a 2-factor authentication for your Yale Access account, alongside AES and TLS encryption, offering bank-level security. You can easily grant temporary or permanent access to trusted individuals via the Yale Access app, managing permissions at any time. Installation is straightforward, fitting over your existing interior deadbolt cylinder, allowing you to keep your original keys. The process takes less than 3 minutes for compatible cylinders. The lock supports mobile operating systems Android and iOS, and uses 4 AA batteries. It connects wirelessly via Bluetooth 4.2 and Bluetooth Low Energy (BLE). Dimensions are 58 mm width, 58 mm depth, and 150 mm height. The package includes batteries and a mounting plate. The lock weighs 623g.