HIKVISION DS-7316HQHI-K4: Turbo HD 16CH 5MP Full HD Digital Video Recorder (DVR)

Video/Audio Input
Audio Input:		4-ch
Video Compression:		H.265 Pro+/H.265 Pro/H.265/H.264+/H.264
Analog and HD-TVI video input:		16-ch,BNC interface (1.0Vp-p, 75 Ω)connection
Supported camera types:		Support HDTVI input: 4 MP, 3 MP, 1080p25, 1080p30, 720p25, 720p30, 720p50, 720p60 Note: The 3 MP signal input is only available for the first channel of DS-7304HQHI-K4, the first 2 channels of DS-7308HQHI-K4, and the first 4 channels of DS-7316HQHI-K4. Support AHD input: 1080p25, 1080p30, 720p25, 720p30 Support HDCVI input:4 MP, 1080p25, 1080p30, 720p25, 720p30 support CVBS input
Video Input Interface:		BNC (1.0 Vp-p, 75Ω)
Audio Compression:		G.711u
Audio Input Interface:		4-ch, RCA (2.0 Vp-p, 1 KΩ)
Two-way Audio:		1-ch, RCA (2.0 Vp-p, 1 KΩ) (using audio input)

Video/Audio Output
CVBS Output:		1-ch,BNC(1.0Vp-p,75Ω),resolution:PAL:704x576,NTSC:704x480
HDMI/VGA Output:		HDMI: 1-ch,4K(3840×2160)/30Hz,2K(2560×1440)/60Hz, 1920×1080/60Hz, 1280×1024/60Hz,1280×720/60Hz,1024 ×768/60Hz VGA:1-ch,2K(2560×1440)/60Hz,1920×1080/60Hz,1280×1024/60Hz,1280×720/60Hz,1024×768/60Hz
Recording 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/CIF
Frame 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@15fps; 720p/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) Sub-stream: WD1/4CIF@12fps; CIF@25fps (P)/30fps (N)
Video Bit Rate:		32 Kbps-6 Mbps
Stream Type:		Video/Video&Audio
Two-way Audio:		1-ch, RCA (2.0 Vp-p, 1 kΩ) (using the audio input)
Audio Output:		1-ch RCA(Linear, 1kΩ)
Synchronous Playback:		16-ch

Network management
Remote connections:		128
Network protocols:		TCP/IP, PPPoE, DHCP, Hik-connect Cloud P2P,DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP?, HTTPS,ONVIF

Hard Disk Driver
Interface Type:		4 SATA Interfaces
Capacity:		Up to 10 TB capacity for each disk

External Interface
Network Interface:		1; 10M / 100M / 1000M self-adaptive Ethernet interface
USB Interface:		2 USB 2.0 Interface on the front panel& 1 USB 3.0 Interface on the rear panel
Alarm Input:		16-ch
Alarm Output:		4-ch

General
Power Supply:		100 to 240 VAC
Consumption:		≤ 55W(without hard disks)
Working Temperature:		-10 oC ~+55 oC (14 oF ~ 131 oF)
Working Humidity:		10% ~ 90%
Dimensions:		445 × 390 × 70 mm (17.5 × 15.4 × 2.8 inch)
Weight:		≤ 5 kg (11.0lb)