DS-7604NI-K1 Specification
Video/Audio Input
Two-way audio input:	1-ch, RCA (2.0 Vp-p, 1kΩ)
IP video input:	4-ch
Network
Incoming bandwidth:	40Mbps
Outgoing bandwidth:	80Mbps
Video/Audio Output
HDMI Output:	1-ch, resolution:4K (3840 × 2160)/30Hz,1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 ×1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz.
Recording Resolution:	8MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF
Audio Output:	1-ch, RCA (Linear, 1kΩ)
VGA Output:	1-ch, resolution: 1920*1080P/60Hz, 1600*1200/60Hz, 1280*1024/60Hz, 1280*720/60Hz, 1024*768/60Hz
Decoding
Capability:	4-ch@1080P
Live view / Playback:	8MP/6MP/5MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF
Hard Disk
SATA:	1 SATA interface for 1 HDD
Capacity:	Up to 6TB capacity for each HDD
External Interface
Network Interface:	1 RJ-45 10 / 100 Mbps selfadaptive Ethernet interface
USB Interface:	2, USB2.0
General
Power Supply:	12 VDC
Consumption (without hard disk and POE):	≤ 10 W
Working Temperature:	-10 ℃ ~ +55 ℃ (+14 ℉~ + 131 ℉)
Working Humidity:	10 % ~ 90 %
Chassis:	1U chassis
Dimensions:	260 × 225 × 48 mm (10.2" 8.9" 1.9")