The Kwikset Halo Touch fingerprint door lock deadbolt allows you to simply use your unique fingerprint to lock and unlock your door with advanced biometric technology. Halo Touch has Wi-Fi built-in that 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 storage for up to 100 fingerprints (50 users), you can give keyless access to your family and friends with their unique fingerprint and manage access through the Kwikset app. With the Kwikset app and your smartphone, you can manage your lock from anywhere. Lock and unlock, manage users, view lock activity, receive lock notifications and much more. Your existing home Wi-Fi network and an internet connection brings the ultimate in security and convenience right to your finger tips. 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 the fingerprint sensor or key from the outside as well as the turn button from the inside.