Note:

• The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
• These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
• These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

Video/Audio input
Video Compression: H.264/MPEG4/MPEG2/MJPEG
Video input: 8-ch, BNC (1.0 Vp-p, 75 Ω)
Audio compression: G.711
Audio input: 1-ch, 3.5mm interface (2.0 Vp-p, 1 kΩ)
Two-way audio: 1-ch, 3.5 mm audio (2.0 Vp-p, 1 kΩ) (Line in)

Video/Audio output     
Audio output: 8-ch, 3.5mm interface (Linear, 600 Ω)
Encoding resolution: WD1/4CIF/2CIF/CIF/QCIF
Frame rate: H.264/MPEG4/MPEG2 encoding: 25 fps (P) / 30 fps (N); MJPEG encoding: 15 fps
Video bit rate: 32 Kbps ~ 3072 Kbps, or user defined (Max. 8192 Mbps)
Audio bit rate: 64 Kbps
Dual Stream: Support
Stream Type: Video/ Video&Audio

Network protocols     
Protocols Supported:  IPv4/v6, HTTP, HTTPS, QoS layer3 DiffServ, FTP, SMTP, Bonjour, UPnPTM, SNMPv1/v2c/v3(MIB-II), DNS, DynDNS, hkDDNS, NTP, RTSP, RTP/RTCP,TCP, UDP, IGMP, ICMP,DHCP, ARP, SOCKSv4/v5, PSIA, OnVIF, HIKCGI, netFilter

Data storage     
Type: NAS, IPSAN, microSD
Capacity: Up to 4 TB capacity for each disk

External interface     
Network interface: 1 RJ-45 10 M / 100 Mbps adaptive Ethernet interface (PoE)
Serial interface: 1 RS-485, 1 RS-232
Alarm in: 8
Alarm out: 4

General     
Power supply: 12 VDC, or PoE
Consumption:  ≤ 10W
Working temperature: -10°C~+55°C(14°F~131°F)
Working humidity: 10%~90%
Dimension(W×D×H): 315 × 45 × 200 mm
Weight(without HDD):  ≤ 2 Kg