The Halo Touch fingerprint smart lock by Weiser allows you to simply use your unique fingerprint to lock and unlock your door. It connects directly to your home Wi-Fi network and smartphone for a secure smart home that does not require a third-party smart home hub, panel or subscription. With up to 100 fingerprints (50 users), you can give access to your family and friends with their unique fingerprint and manage access through the Kwikset app. You can also lock and check the status of Halo using voice commands with Amazon Alexa and Google Assistant. This single cylinder deadbolt can be locked or unlocked by using your fingerprint or key from the outside as well as the turn button from the inside. Receive notifications: monitor home security with notifications of your lock's activity and view the lock event history from your smartphone using the Kwikset app. SmartKey Security: protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds.