Face Recognition Door Station, 4.3 inch IPS display; screen resolution 800×480 2MP CMOS; true WDR Face-camera distance: 0.3 m–2 m; human height: 1.1 m–2.4 m (lens ground distance: 1.4 m) Operating temperature: -30°C to +60°C Auto light illumination reduces light pollution Multiple unlock modes: Password unlock, IC card unlock, remote unlock, fingerprint unlock, and face unlock Support 20, 000 users, 10,000 face images, 10, 000 cards, and 10,000 fingerprints Face recognition speed: 0.2 second per person Support liveness detection Support duress alarm, tamper alarm, and door sensor timeout alarm Various unlock statusdisplay modes protect user privacy