For contact: ( Phone number appears when clicking the contact button ) The smart latch is made of high-quality aluminum sheets, resistant to rust, water, dust, and harsh weather conditions. A smart door latch that can be connected via Bluetooth and controlled via the TTLOCK app. Alert in case of low power. The smart lock can be set to disable mode, where the lock is always open during occasions. It runs on AA dry batteries, and the batteries can last up to 10 months depending on usage. Possibility to power the lock via USB in case of emergency. For contact: ( Phone number appears when clicking the contact button ) #smart_lock #fingerprint_lock #smart_door_lock #smart_handle #smart_latch #smart_latches #fingerprint_locks #electronic_lock #apartment_lock #aluminum_door_lock #smartlock #exterior_door_lock ##electronic_lock #digital_lock #apartment_lock #camera_lock #smart_locks #smart_latches #smart_latch #fingerprint_latch #aluminum_smart_lock