To communicate: ( Phone number appears when clicking the contact button ) The smart lock is made of high-quality, rust-resistant aluminum plates, resistant to water, dust, and harsh weather conditions. A smart door lock that can be connected via Bluetooth and controlled via the TTLOCK application. It runs on AA dry batteries, and the batteries can last up to 10 months depending on usage. Possibility to operate the lock via USB in case of emergency. Low power alert. The smart lock can be put in disable mode, where the lock is always open during occasions. To communicate: ( 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