Feature: 1. Semiconductor fingerprint sensor, using semiconductor fingerprint recognition, accurate identification. 2. Support for Tuya APP, use APP to remotely control smart door lock, or send temporary password to temporary visiting friends. 3. Support for Tuya APP, password, fingerprint, mechanical key, temporary password unlocking method. 4. Emergency key hole, emergency USB hole, can be used when the battery is out of power, mobile power supply to unlock, or directly use mechanical key to unlock. 5. Indoor anti‑lock switch, after it is turned on, no one can turn it on except the administrator outside. 6. C‑level lock cylinder, with the ability to be difficult to be opened, born for protecting the door. 7. Free handle design, mechanical lock core linkage inner and outer handle, detachable lock body is safe to use. Specification: Item Type: Smart Door Lock Material: Zinc Alloy Uses: Home, Apartment, Hotel, Bed and Breakfast Battery: 4 x AAA Batteries (Without Batteries) Unlock Method: Fingerprint, Smart Card, Password, for Tuya APP, Key, Temporary Password Fingerprint Capacity: ≤100 Quantity of Smart Cards: ≤100 Password Capacity: ≤100 APP: For Tuya Smart Resolution: 500DPI Rejection Rate: ≤0.15% False Acceptance Rate: ≤0.00004%. Package List: 1 x Door Inner Lock Body1 x Outer Door Lock Body1 x Cylinder2 x Key2 x Smart Card1 x Square Bar3 x Nut Tube1 x Lock Catch1 x Lock Box1 x Manual 1 x Opening Picture7 x Screw Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.