DS-7716NI-E4 Specification
Video/Audio Input
Two-way audio input	1-ch, RCA (2.0 Vp-p, 1kΩ)
IP video input	16-ch
Network
Remote connection	128
Incoming bandwidth	160Mbps
Outgoing bandwidth	80Mbps
Video/Audio Output
HDMI/VGA output	1-ch, resolution: 1920 × 1080P /60Hz, 1600 × 1200 /60Hz, 1280 × 1024 /60Hz, 1280 × 720 /60Hz, 1024 × 768 /60Hz
Recording Resolution	6MP/5MP/4MP/3MP/1080P/UXGA/720P/VGA/4CIF/DCIF/2CIF/CIF/QCIF
Frame Rate	Main stream: 50 fps (P) / 60 fps (N) Sub-stream: 50 fps (P) / 60 fps (N)
Decoding
Capability	16-ch@4CIF, 12-ch@720P, 6-ch@1080P
Live view / Playback	6MP/5MP/3MP/1080P/UXGA/720P/VGA/4CIF/DCIF/2CIF/CIF/QCIF
Hard Disk
SATA	4 SATA interfaces for 2 HDDs + 1 DVD-R/W (default), or 4HDDs
Capacity	Up to 6TB capacity for each HDD
External Interface
Network Interface	2 RJ-45 10/100/1000Mbps self-adaptive Ethernet interfaces
USB Interface	Front panel: 2 × USB 2.0 Rear panel: 1 × USB 3.0
Alarm In	16-ch
Alarm Out	4-ch
General
Power Supply	100~240VAC
Consumption (without hard disk and POE)	≤ 20W
Working Temperature	-10 oC ~ +55 oC (+14 oF~ + 131 oF)
Working Humidity	10 % ~ 90 %
Chassis	19-inch rack-mounted 1.5U chassis
Dimensions	445 × 390 × 70mm (17.5 ×15.3 × 2.8 inch)