3D Face Recognition Wifi Biometric Door Lock Fingerprint. Security Smart Home APP Key Password Unlock. Battery Type: Lithium Battery, including. Unlock Way: Fingerprint, Password, Key, Face recognition, IC Card. Fingerprint reader: OFILM optical fingerprint sensor.Face recognition technology: 3D structured infrared light (currently the highest technology for face recognition). Human body infrared sensor: turned on by default, automatically recognize faces when approaching. Function: Tuya app remote photo unlocking, temporary password, switch reminder, usage record, face recognition, fingerprint, magnetic card, password, key, automatic switch lock, doorbell, anti-pry alarm. Door opening direction: the door opening direction can be selected in the door lock interface men. 1X Lock Body (24x240mm, or 30x240mm, or 30x388mm). This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms".store99" and is located in this country: CN. This item can be shipped worldwide.