Main Processor: Industrial-grade processor Operating System: Embedded Linux Operating Interface: Web; Local GUI Perimeter Performance AI by Recorder (Number of Channels): Advanced Model : 1 channel, 10 IVS for each channel General Model : 4 channels, 10 IVS for each channel Face Attributes: Gender; age group; glasses; expressions; face mask; beard Face Detection Performance of AI by Recorder (Number of Channels): 1 channel (up to 8 face images/s) Face Database Capacity: Up to 10 face databases and 20,000 images. Face Recognition Performance of AI by Recorder (Number of Channels) : 1 channel SMD Plus by Recorder: 4-channel: Secondary filtering for human and motor vehicle , reducing false alarms caused by leaves, rain and lighting condition change Analog Camera Input: 4 channels, BNC: adaptive access by default; HDCVI, AHD, TVI and CVBS access can be configured. Camera Input: 1. CVI: 4K, 6 MP, 5 MP, 4 MP, 1080p@25/30 fps, 720p@50/60 fps, 720p@25/30 fps. 2. TVI: 4K, 5 MP, 4 MP, 3 MP, 1080p@25/30 fps, 720p@25/30 fps. 3. AHD: 4K, 5 MP, 4 MP, 3 MP, 1080p@25/30 fps, 720p@25/30 fps. IP Camera Input: Up to 8 channels of IPC access 4 IP channels by default + 4 channels (analog channels are converted to IP channels) incoming bandwidth: 64 Mbps, recording bandwidth: 64 Mbps and outgoing bandwidth: 64 Mbps Encoding Capacity: Main stream: All channel 4K (1 fps–7 fps); 6MP (1 fps– 10 fps); 5MP (1 fps–12 fps); 4K-N, 4MP/3MP (1 fps–15 fps); 4M-N/1080p/720p/960H/D1/CIF (1 fps–25/30 fps); Sub steram: 960H (1 fps–15 fps); D1/CIF (1 fps–25/30 fps) Dual-stream: Yes Video Bit Rate: 32 kbps–6144 kbps Audio Sampling: 8 kHz, 16 bit Audio Bit Rate: 64 kbps Video Output: 1 HDMI, 1 VGA (VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720) Multi-screen Display: When IP extension mode not enabled: 1/4 When IP extension mode enabled: 1/4/8/9 Third-party Camera Access: ONVIF; Panasonic; Sony; Axis; Arecont; Pelco; Canon; Samsung Video Compression: AI Coding; H.265+; H.265; H.264+; H.264 Audio Compression: G.711a; G.711u; PCM Network Protocol: HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; P2P Record Mode: General, motion detection; intelligent; alarm; POS General Alarm: Motion detection, video loss, tampering Audio Input: 1-channel RCA 4-channel BNC (Coaxial Audio) Audio Output: 1-channel RCA Two-way Talk: Yes (share the same audio input with the first channel) HDD Interface: 1 SATA port, up to 16 TB. The maximum HDD capacity varies with environment temperature. RS-485: 1 port, for PTZ control USB: 2 USB ports (USB 2.0) HDMI: 1 VGA: 1 Network Port: 1 (10/100 Mbps Ethernet port, RJ-45) Power Supply: 12 VDC, 2 A