Dahua/Face Recognition Access Controller/DHI-ASI3223A

internal notes
Features clues:

> 4.3 inch glass touch screen with 480 x 272 resolution.
> 2MP wide-angle dual-lens camera with IR illumination and DWDR.
> Multiple unlocking methods including face and password. You can also combine them to create your own personal unlocking methods.
> Supports mask detection.
> Supports visitor QR code with DSS Pro platform.
> Recognizes faces from 0.3m to 1.5m (0.98ft – 4.92ft).
> Supports 2,000 users, 2,000 faces, 2,000 passwords, 50 administrators, and 300,000 records.
> Effective detection has a face recognition accuracy rate of 99.9% and a 1:N comparison time of 0.2 seconds per person.
> Supports making video calls and using the app to receive alert notifications, unlock doors remotely and perform other tasks.
> Supports customizing voice prompts.