The 4 in 1 Smart Fingerprint/Key/Tuya App and Password Keyless Door Entry Handle Lock is a sleek and advanced security solution for your home. Made of stainless steel with a matt finish, this lock is suitable for various types of doors including front, security, and barn doors. The smart technology allows for keyless entry using your fingerprint, making it convenient and secure. With the TUYA App, you can easily control and monitor your door entry from your smartphone. Upgrade your home with this innovative and reliable door lock.