For contact: ( Phone number appears when clicking the contact button ) The smart lock is made of high-quality aluminum alloy sheets, resistant to rust, water, dust, and harsh weather conditions. A smart door lock that can be connected via Bluetooth and controlled through the TTLOCK app. Possibility to operate the lock via USB in emergencies. Low power alert. The smart lock can be put in disable mode, where the lock is always open during occasions. For contact: ( Phone number appears when clicking the contact button ) #smart_lock #fingerprint_lock #smart_door_lock #smart_handle #smart_lock #smart_locks #fingerprint_locks #electronic_lock #apartment_lock #aluminum_door_lock #smartlock #exterior_door_lock ##electronic_lock #digital_lock #apartment_lock #camera_lock #smart_locks #smart_locks #smart_lock #fingerprint_lock #aluminum_smart_lock