For contact: ( Phone number appears when clicking the contact button ) TT Lock smart lock Q1 ✅ App control ✅ Fingerprint ✅ Secret code ✅ Waterproof ✅ Two smart cards ✅ Two manual keys for emergencies Two-year warranty for maintenance and replacement For contact: ( Phone number appears when clicking the contact button ) #smart_door_lock #smart_lock #fingerprint_lock #aluminum_door_lock #electronic_lock #smartlock #Smart_Lock #smart_door_lock #smart_fingerprint_lock #access #access_control #door_lock #door_locks #smart_door_lock #fingerprint_lock #electronic_lock #electronic_lock