Audio Input|1-chVideo Compression|H.265 Pro+/H.265 Pro/H.265/H.264+/H.264Analog and HD-TVI video input|16-ch,BNC interface (1.0Vp-p, 75 Ω)connectionSupported camera types|4 MP, 3 MP, 1080p25, 1080p30, 720p25, 720p30, 720p50, 720p60 NoteThe 3 MP signal input is only available for channel 1 of DS-7104HQHI-K1, channel 1/2 of DS-7108HQHI-K1, and channel 1/2/3/4 of DS-7116HQHI-K1. Support AHD input: 4 MP, 1080p25, 1080p30, 720p25, 720p30 Support CVI input: 1080p25, 1080p30, 720p25, 720p30 support CVBS inputVideo Input Interface|BNC (1.0 Vp-p, 75Ω)Audio Compression|G.711uAudio Input Interface|RCA (2.0 Vp-p, 1 kΩ)Two-way Audio|1-ch, RCA (2.0 Vp-p, 1 KΩ) (using audio input)HDMI/VGA Output|VGA: 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz HDMI: 1-ch, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60HzRecording resolution|When 1080p Lite mode not enabled: 4 MP lite/3 MP/1080p/1080p lite/720p/WD1/4CIF/VGA/CIF When 1080p Lite mode enabled: 4 MP lite/3 MP/1080p lite/720p/720p lite/WD1/4CIF/VGA/CIFFrame Rate|Main stream: When 1080p Lite mode not enabled: For 4 MP stream access: 4 MP lite@15fps; 1080p lite/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N) For 3 MP stream access: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF@15fps For 1080p stream access: 1080p/720p@15fps; VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) For 720p stream access: 720p/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) When 1080p Lite mode enabled: 4 MP lite/3 MP@15fps; 1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N)Video Bit Rate|32 Kbps-6 MbpsStream Type|Video/Video&AudioAudio Output|1-ch RCA(Linear, 1kΩ)Audio Bit Rate|64kbpsDual Stream|SupportSynchronous Playback|16-chRemote connections|128Network protocols|TCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP?, HTTPS, ONVIFInterface Type:|1 SATA InterfaceCapacity|Up to 6 TB capacity for each diskNetwork Interface|1; 10M / 100M / 1000M self-adaptive Ethernet interfaceUSB Interface|2 USB 2.0 InterfacesPower Supply|12V DCConsumption|≤ 15 W(without hard disks)Working Temperature|-10 oC ~+55 oC (14 oF ~ 131 oF)Working Humidity|10% ~ 90%Dimensions|285 × 210 × 45 mm (11.2× 8.3 × 1.8 inch)Weight|≤ 1 kg (2.2 lb)