【TTLock App Control】Share access with family members,friends,or housekeepers through the ttlock app; No more worrying about lost keys or unauthorized entries. 【Multiple Unlock Ways】You can unlock the smart lock with the app,passcode,fingerprint,key card or mechanical key.You can also set a temporary password to open the door for guests. 【Fingerprint Unlock】The smart lock is equipped with a high-precision fingerprint sensor,providing fast and secure access with just one touch. 【Easy Installation】The lock comes with a complete set of hardware and instructions,making it easy to install on doors with standard thicknesses.No drilling or professional assistance is required. 【High-Security】The smart lock is built with a high-quality zinc alloy body and a reinforced lock mechanism,providing excellent resistance to tampering and break-ins.