• 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, and can manage 200 indoor monitors at most • Support duress alarm, tamper alarm, and door sensor timeout alarm • Various unlock status display modes protect user privacy