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Video/Audio inputVideo compressionH.265 Pro+/H.265 Pro/H.265/H.264+/H.264 Analog video input4-ch HDTVI input4 MP, 1080p25, 1080p30, 720p25, 720p30 AHD input4 MP, 1080p25, 1080p30, 720p25, 720p30 HDCVI input4 MP, 1080p25, 1080p30, 720p25, 720p30 CVBS inputSupport IP video input2-ch (up to 6-ch) Audio compressionG.711u Audio input1-ch, RCA (2.0 Vp-p, 1 KO)4-ch via coaxial cable Video/Audio outputHDMI/VGA output1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz Encoding resolutionWhen 4 MP Lite mode not enabled: 4 MP/4 MP Lite/1080p/720p/WD1/4CIF/VGA/CIF; When 4 MP Lite mode enabled: 4 MP lite/1080p lite/720p lite/WD1/4CIF/VGA/CIF When 1080p Lite mode not enabled: 4 MP/1080p/720p/WD1/4CIF/VGA/CIF ; When 1080p Lite mode enabled: 4 MP/1080p lite/720p lite/WD1/4CIF/VGA/CIF Main stream Frame rateFor 720p stream access: 720p/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) When 4 MP Lite mode not enable: For 4 MP stream access: 4 MP@8fps; 4 MP lite/1080p/720p/WD1/4CIF/VGA/CIF@15fps (N) When 4MP Lite mode enabled: For 4 MP stream access: 4 MP lite@15fps; 1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) When 1080p Lite mode not enabled: For 1080p stream access: 1080p/720p@15fps; VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) When 1080p Lite mode enabled: For 1080p stream access:1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) Sub-stream Frame RateWD1/4CIF/2CIF@12fps; CIF/QVGA/QCIF@25fps (P)/30fps (N) Video bit rate32 Kbps to 6 Mbps Audio output1-ch, RCA (Linear, 1 KO) Audio bit rate64 Kbps Dual streamSupport Stream typeVideo, Video & Audio Synchronous playback4-ch Network managementRemote connections32 Network protocolsTCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, HTTPS, ONVIF Hard diskSATA Interface1 SATA interface Hard Disk CapacityUp to 10 TB capacity for each disk External interfaceTwo-way audio input1-ch, RCA (2.0 Vp-p, 1 KO) (using the audio input) Network interface1, RJ45 10M/100M self-adaptive Ethernet interface USB interfaceRear panel: 2 × USB 2.0 GeneralPower supply12 VDC, 1.5 A Consumption (without HDD)= 8 W Working temperature-10 °C to +55 °C (+14 °F to +131 °F) Working humidity10% to 90% Dimensions (W × D × H)260 × 222 × 45 mm (10.2 × 8.7 × 1.8 inch) Weight (without HDD)= 0.8 kg (1.8 lb)