Dahua 4-channel NVR NVR2104HS-W-4KS2

Technical Specification

System
Main Processor Dual-core embedded processor
Operating System Embedded LINUX

Audio and Video
IP Camera Input 4/8 Channel
Two-way Talk N/A

Display
Interface 1 HDMI, 1 VGA
Resolution
HDMI: 3840×2160, 1920×1080, 1280×1024,
1280×720
VGA: 1920×1080, 1280×1024, 1280×720
Decoding Capacity 1ch@8MP 30fps, 4ch@1080P 30fps
Multi-screen Display
4CH: 1/4
8CH: 1/4/8/9
OSD Camera title, Time, Camera lock, Motion detection,

Recording
Compression H. 265+/H. 264+/H. 265/H. 264
Resolution 8MP/6MP/5MP/4MP/3MP/1080P/720P/D1&etc.
Record Rate 80Mbps
Bit Rate 16Kbps ~ 20Mbps Per Channel
Record Mode Manual, Schedule(Regular(Continuous), MD, Stop
Record Interval 1~120 min (default: 60 min), Pre-record: 1~30 sec,
Post-record: 10~300 sec
Video Detection and Alarm
Trigger Events Recording, PTZ, Tour, Video Push, Snapshot, and
Screen Tips
Video Detection Motion Detection, MD Zones: 396 (22 × 18),
and Tampering
Alarm input N/A
Relay Output N/A
Playback and Backup
Sync Playback 1/4
Search Mode Time /Date, MD and Exact Search
(accurate to second)

Playback Function
Play, Pause, Stop, Rewind, Fast play, Slow Play, Next
File, Previous File, Next Camera, Previous Camera,
Full Screen, Shuffle, Backup Selection, Digital Zoom
Backup Mode USB Device/Network

Third-party Support
Arecont Vision, AXIS, Bosch, Brickcom, Canon,
CP Plus, Dynacolor, Honeywell, Panasonic, Pelco,
Samsung, Sanyo, Sony, Videotec, and more

Network
Interface 1 RJ-45 port (10/100Mbps)
Wireless IEEE802.11b/g/n(2.4GHz)
PoE N/A
Network Function
HTTP/HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP,
DHCP, DNS, IP Filter, DDNS, IP Search(Support Dahua
IP camera, DVR, NVS and etc. ), P2P
Optical Fiber Interface N/A
Max. User Access 128 users
Smart Phone iPhone, iPad, Android
Interoperability ONVIF 2.4, SDK, CGI

Storage
Internal HDD 1 SATA III Port, up to 4TB capacity for each HDD
HDD Mode Single
eSATA N/A
Auxiliary Interface
USB 2 ports (2 USB2.0)
RS232 N/A
RS485 N/A

Electrical
Power Supply Single, DC12V/2A
Power Consumption