Features: Open door with fingerprint Open door with password Open door with IC card Open door via mobile app (Bluetooth via TTLock app) Open with traditional key for emergencies Ability to create temporary passwords via WiFi Alert when entering the wrong password Built-in doorbell Capacity: Supports up to 110 fingerprints Supports up to 110 cards Supports 30 password groups (6 to 12 digits) Specifications: Suitable for wooden, aluminum, and iron doors Suitable for door thickness 40 mm to 70 mm Operates with 4 AA batteries Supports opening from the right or left Illuminated touch numeric keypad for night use Ability to provide emergency power via USB-C port Attachments: External and internal lock 2 cards 2 keys Allen wrench for the lock and side wall Installation screws Warranty: Two-year warranty Price 400 The lock is new, I bought it for 580 with the Allen wrench for 620, and it is still in its new condition, unopened. I was furnishing an apartment for daily rental, but it didn't work out. There are other products displayed on my page.