AUTOMATIC ELECTRONIC DOORBELL FACE RECOGNITION SMART LOCK Auto Door Lock / Automatic Fingerprint Lock / Biometric Access Control Door Lock / Electronic Fingerprint Door Lock / Electronic Front Door Lock / Face Recognition Smart Lock / Smart Bluetooth Lock / Smart Lock With Remote Access A7x is the first 3D face recognition smart lock in Tenon, and we deeply explore the "intelligence" base on the market needs of the modern smart lock industry. #face#recognition#lock#manufacturer