SX-35 Bold Smart Cylinder. Start your keyless life with a Bluetooth-enabled smart lock that provides simple and reliable access control. Easy to install and operated by mobile or pin. Size: 35 mm (inner dimension max. 35 mm, outer dimension 50-65 mm). Keyless: Convenient to operate via mobile with the Bold app or pin. Power supply: CR123A battery / battery life up to 2 years. Bluetooth: 2-factor authentication and additional end-to-end encryption. Suitable for almost any door, including escape routes. Easy to replace with the existing lock. Range of up to 5 metres. Backup pin: If you have forgotten your smartphone or the battery is empty, you can enter a pin programmed via the app into the lock. (Entry is made by turning the door knob to the left and right). Access types: Permanent, temporary, weekly and recurring. Receipt of push notifications by defined users. Locking via the app with or without internet - Locking possible by pressing the button on the inside knob without a smartphone. For admin users: View the locking log. Automatic activation can be set via the app: unlocks the lock without having to take the mobile out of your pocket. Notification when the battery in the locking cylinder runs out. Bold Connect: The lock can be controlled via the Internet using the Bold Bridge (optionally available).