Description: Fingerprint Recognition: The deadbolt uses advanced fingerprint recognition technology to authenticate users and grant access.Multiple User Support: You can register multiple fingerprints, allowing family members or trusted individuals to have access to your home.Keyless Entry: With this deadbolt, you can enjoy keyless entry into your home, eliminating the need for physical keys.Backup Methods: In addition to fingerprint recognition, most models also provide alternative methods of access, such as PIN codes and mechanical keys, to ensure you always have a.To learn more please visit:https://www.smonet.com/products/a1-sbf-smonet-smart-deadbolt-lock/ Tel: +86-755-82830586 Address: 1121 Broadway, Suite 810, New York, NY 10010 Phone: (917) 921-1213 Hours: 8:00 am - 6:00 pm