Bold SX-45 Smart Cylinder Door Lock Keyless Bluetooth Silver Home Security

  
Smart access to your home. Keep your home safe and secure with the Bold SX-45 Smart Door Lock.

End-to-end data encryption and two-factor authentication means only you and the people you trust can unlock the door. The Bold app also gives you insights into all lock activities, so you'll know who's going in and out of your home.

It has an inside measurement of 45 mm, and you can extend the outside of the lock up to 65 mm in length. Everything can easily be installed without the need for professional help.