Bold Smart Lock SX-33

The Bold Smart Lock SX-33 is a smart door lock that you insert into the cylinder of your front door. The Bold SX-33 fits all cylinders with an inner size of 30 to 35mm and an outer size of 30 to 45mm. The lock connects wirelessly to your smartphone via Bluetooth. If you're near the front door with your phone, you can open the door hands-free or by pressing a button. You must first have been at least 200m away from the door. Don't have your phone with you? You can open the door by entering your preset PIN code with the dial on the lock. This way, you can always get in. You can install the smart lock within a few minutes. It runs on batteries, which have a lifespan of about 2 years.