3D structured light, accurate identification, silent and fully automatic unlocking, PIR human body sensing second door opening.
Automatic human body sensing within 3 meters; Don't worry about old people's fingerprint wear.
Face to face door opening; Remote temporary password, no need to wait for relatives and friends to visit.

Strangers hover, mobile phone alarm message prompts,
In case of illegal lock prying, the system will immediately send Warning drive away.