Facial recognition: Instantly compare the images of captured faces with those of the face image libraries. The recognized faces activate the alarm if the alarm action is configured. Face capture: Capture, automatically select and display the face image optimally. Exception detection: Audio exception detection. Image Sensor: 1 / 2.8" CMOSX2 with progressive scan. Min. Lighting: Color: 0.005 Lux @ (F1.2, AGC ON) B/W: 0.0089 Lux @ (F1.6, AGC ON). 0 Lux with IR on. Shutter time: 1/25 s to 1 / 100,000 s. Slow shutter: No. Lens: 4 mm x 2, F1.6 Adjustment range: Tilt: -45° to 90°, turn: 0° to 355º . Wide dynamic range: 120 dB. Digital noise reduction: 3D DNR. Video compression: H.265 / H.264 / MPEG4 / MJPEG. Video bitrate: 32 Kbps up to 16 Mbps. Audio compression: G.711 / G.722.1 / G.726 / MP2L2 / PCM. Audio bit rate: 64 Kbps (G.711) / 16 Kbps (G.722.1) / 16 Kbps (G.726) / 32-192 Kbps (MP2L2). Resolution at 60 Hz: 30 fps (Up to 1920 x 1080). Image enhancement: BLC, HLC, defroster, EIS, lens distortion correction, 3 DNR Image setting: Saturation, brightness, contrast adjustable through the client software or web browser. Image overlay: Auto / Schedule / Activated by alarm In. LOGO, the image can be superimposed on video with 128 x 128 with 24 bit bmp format. Day / night switch: Auto / Schedule / Triggered by Alarm In. General function: Anti-flicker, five streams, heartbeat, mirror, password protection, privacy mask, watermark, IP address filter. Network storage: Support for storage card SD Micro SD / SDHC / SDXC (128G), NAS (NFS, SMB / CIFS), ANR. Alarm trigger: Motion detection, video manipulation alarm, network disconnected, IP address conflict, illegal logon, full HDD, HDD error. Protocols: TCP / IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjour. Audio: 1 audio input (line input), 1 audio output (line output), mono soundtrack. Communication interface: 1 RJ45 10M / 100M / 1000M autoadaptable Ethernet port, 1 RS-485 interface. Alarm: 1 input, 1 output (up to 24 V DC 1 A or 110 V AC 500 mA). Storage: Micro SD / SDHC / SDXC slot incorporated, up to 128 GB.