Model DH-NVR4208-8P    
System
Main Processor Dual-core embedded processor
Operating System Embedded LINUX
Video & Audio
IP Camera Input 8 channel 16 channel 32 channel
Two-way Talk 1channel Input, 1channel Output, RCA
Display
Interface 1 HDMI,1 VGA
Resolution 1920×1080, 1280×1024, 1280×720, 1024×768
Display Split 1/4/8/9 1/4/8/9/16 1/4/8/9/16
OSD Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Recording
Compression H.264/MJPEG
Resolution 5Mp(2560×1920)/3Mp(2048×1536)/ 1080P(1920×1080) / 720P(1280×720) / D1 (704×576/704×480)
Record Rate 200Mbps
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 4 channel
Alarm Output 2 channel
Playback & Backup
Sync Playback 1/4/9 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/Network/Internal SATA burner
Network
Ethernet 1 RJ-45 port (10/100/1000Mbps)
PoE 8 ports (IEEE802.3af/at)
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 128users
Smart Phone iPhone, iPad, Android, Windows Phone
Storage
Internal HDD 2 SATA ports, up to 8TB
Auxiliary Interface
USB 2 ports (1 Rear USB3.0, 1 Front USB2.0)
RS232 1 port, For PC communication&Keyboard
RS485 1 port, For PTZ control
General
Power Supply AC 100~240V, 50/60 Hz
Power Consumption NVR: 60W(without HDD)
PoE: Max.25.5W for single port
Working Environment -10°C~+55°C / 10%~90%RH / 86~106kpa
Dimension
(W×D×H)
1U, 375mm×285mm×50mm
Weight 2.5KG(without HDD)