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) Touch button; IP65 Operating temperature: -30°C to +60°C Auto light illumination reduces light pollution Multiple unlock modes: Password unlock, IC card unlock, remote unlock and face unlock Support 20, 000 users, 10,000 face images, and 10, 000 cards · Face recognition speed: 0.2 second per person Support liveness detection Support full duplex; management platform, and voice call through APP Support SIP server Support duress alarm, tamper alarm, and door sensor timeout alarm Various unlock status display modes protect user privacy