Features 
>Up to 16/32/64 channel IP cameras connection >H.264/MJPEG dual codec decoding >Max 256Mbps incoming bandwidth >HDMI/VGA simultaneous video output >16/32 channel synchronous realtime preview, GRID interface >Support Multi-brand network cameras: Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus,  
Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videosec, Vivotek and etc. >ONVIF Version 2.2 conformance >3D intelligent positioning with Dahua PTZ camera >Support 8 SATA HDDs up to 32TB, 4 USB2.0 >Support IPC UPnP, 16 PoE ports >Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS   
Technical Specifications 
| 
 Model  | 
 NVR7816-16P  | 
 NVR7832-16P  | 
 NVR7864-16P  |  
| 
 System  |  
| 
 Main Processor  | 
 Dual-core embedded processor  |  
| 
 Operating System  | 
 Embedded LINUX  |  
| 
 Video & Audio  |  
| 
 IP Camera Input  | 
 16 channel  | 
 32 channel  | 
 64 channel  |  
| 
 Two-way Talk  | 
 1 channel Input, 1 channel Output, BNC  |  
| 
 Display  |  
| 
 Interface  | 
 1 HDMI, 1 VGA, 1TV  |  
| 
 Resolution  | 
 1920×1080, 1280×1024, 1280×720, 1024×768  |  
| 
 Display Split  | 
 1/4/8/9/16  | 
 1/4/8/9/16/25/36  | 
 1/4/8/9/16/25/36/64  |  
| 
 OSD  | 
 Camera title, Time, Video loss, Camera lock, Motion detection, Recording  |  
| 
 Recording  |  
| 
 Compression  | 
 H.264/MJPEG  |  
| 
 Resolution  | 
 1080P(1920×1080) / 720P(1280×720) / D1(704×576/704×480) & etc.  |  
| 
 Record Rate  | 
 192Mbps  |  
| 
 Bit Rate  | 
 48~ 8192kbps  |  
| 
 Record Mode  | 
 Manual, Schedule(Regular(Continuous), MD, Alarm), Stop  |  
| 
 Record Interval  | 
 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec  |  
| 
 Video Detection & Alarm  |  
| 
 Trigger Events  | 
 Recording, PTZ, Tour, Alarm, Video Push, Email, FTP, Buzzer & Screen tips  |  
| 
 Video Detection  | 
 Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank  |  
| 
 Alarm Input  | 
 16 channel  | 
 16 channel  | 
 16 channel  |  
| 
 Relay Output  | 
 6 channel  | 
 6 channel  | 
 6 channel  |  
| 
 Playback & Backup  |  
| 
 Sync Playback  | 
 1/4/9/16  | 
 1/4/9/16  | 
 1/4/9/16  |  
| 
 Search Mode  | 
 Time/Date, Alarm, MD & Exact search (accurate to second), Smart search  |  
| 
 Playback Function  | 
 Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom  |  
| 
 Backup Mode  | 
 USB Device/eSATA Device/Internal SATA burner/Network  |  
| 
 Network  |  
| 
 Ethernet  | 
 1 RJ-45 port (10/100/1000Mbps Adaptive)  |  
| 
 PoE  | 
 16 ports (IEEE802.3af)  |  
| 
 Network Function  | 
 HTTP, TCP/IP, IPv4/IPv6, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS and etc.)  |  
| 
 Max. User Access  | 
 128 users  |  
| 
 Smart Phone  | 
 iPhone, iPad, Android, Windows Phone  |  
| 
 Storage  |  
| 
 Internal HDD  | 
 8 SATA ports (8HDDs or 6HDDs+1CD/DVD-RW), up to 32TB, Raid (redundancy)  |  
| 
 External HDD  | 
 1 eSATA port  |  
| 
 Auxiliary Interface  |  
| 
 USB  | 
 4 ports (2 Rear), USB2.0  |  
| 
 RS232  | 
 1 port, For PC communication & Keyboard  |  
| 
 RS485  | 
 1 port, For PTZ control  |  
| 
 General  |  
| 
 Power Supply  | 
 AC 100V~240V, 50/60 Hz  |  
| 
 Power Consumption  | 
 NVR: 75W (without HDD) PoE: Max 15W (each)  |  
| 
 Working Environment  | 
 -10°C~+55°C / 10%~90%RH / 86~106kpa  |  
| 
 Dimension (W×D×H)  | 
 2U, 440mm×460mm×89mm  |  
| 
 Weight  | 
 6KG (without HDD)  |       |