> 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 status display modes protect user privacy