Dahua NVR4216-4KS2 16 Channel Network Video Recorder (NVR)

System
Main Processor	Quad-core embedded processor
Operating System	Embedded LINUX
Audio and Video
IP Camera Input	16 Channel
Two-Way Talk	1 Channel Input, 1 Channel Output, RCA
Display
Interface	1 HDMI, 1 VGA
Resolution	HDMI: 3840 x 2160 , 1920 x 1080 , 1280 x 1024, 1280 x 720 , 1024 x 768 VGA: 1920 x 1080 , 1280 x 1024, 1280 x 720 , 1024 x 768
Decoding Capacity	4-ch@8MP(30fps), 16-ch@1080P(30fps)
Multi-Screen Display	1/4/8/9/16
OSD	Camera title, Time, Camera lock, Motion detection, Recording
Recording
Compression	Smart H.265+/H.265/Smart H.264+/H.264/MJPEG
Resolution	12MP with 15fps, 8MP, 6MP, 5MP, 4MP, 3MP, 1080P, 1.3MP, 720P, D1, CIF with 30fps
Bit Rate	16Kbps ~ 20Mbps Per Channel
Record Mode	Manual, Schedule (Regular, MD(Motion Detection) , Alarm, IVS), Stop
Record Interval	1 ~ 120 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec
Video Detection And Alarm
Trigger Event	Recording, PTZ, Tour, Alarm Out, Video Push, Email, Snapshot, Buzzer and Screen Tips
Video Detection	Motion Detection, MD Zones: 396 (22 x 18), Video Loss and Tampering
Alarm Input	4 Channel
Relay Output	2 Channel
Playback And Backup
Sync Playback	1/4/9/16
Search Mode	Time /Date, Alarm, 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, Backup Selection, Digital Zoom
Backup Mode	USB Device/Network
Third Party Support
Third Party Support	Arecont Vision, Airlive, AXIS, Canon, Dynacolor, JVC, LG, Panasonic, Pelco, PSIA, Samsung, Sanyo, Sony, Watchnet and more
Network
Interface	1 RJ-45 Ports (10/100/1000Mbps)
PoE	N/A
Network Function	HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, SNMP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Support Dahua IP camera, DVR, NVS, etc.), Easy4IP
Maximum User Access	128 users
Smart Phone	iPhone, iPad, Android
Interoperability	ONVIF 2.4, SDK, CGI
Storage
Internal HDD	2 SATA III Ports, up to 6TB capacity for each HDD
HDD Mode	Single
eSATA	N/A
Auxiliary Interface
USB	2 ports (1 Rear USB3.0,1 Front USB2.0)
RS232	1 Port, for PC Communication and Keyboard
RS485	1 Port, for PTZ Control
Power
Power Supply	Single, DC12V/4A
Power Consumption	<9.5W (Without HDD)
Component Environment
Operational Conditions	-10°C ~ +55°C (+14°F ~ +131°F), 86 ~ 106kpa
Storage Conditions	-20°C ~ +70°C (-4°F ~ +158°F), 0 ~ 90% RH
Construction
Dimensions	1U, 375mm x 281.5mm

01-year warranty.