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
PAL/NTSC Adaptive: Support
Video Input: 4-ch
Video Input Interface: BNC (1.0 Vp-p, 75Ω)
Audio Compression: OggVorbis
Audio Input: 4-ch
Audio Input Interface: BNC (2.0 Vp-p, 1 kΩ)
Two-way Audio: 2-ch BNC (2.0 Vp-p, 1KΩ)
Video/Audio Output     
Live View Resolution: PAL: 704x576; NTSC: 704x480
VGA Output: 1-ch, resolution: 1024x768/60Hz, 1024x768/70Hz, 1280x1024/60Hz
Recording resolution: 4CIF/DCIF/2CIF/CIF/QCIF
Video output: 2-ch, BNC(1.0Vp-p, 75Ω)
Frame Rate: PAL:25fps; NTSC:30fps
Video Bit Rate: 32Kbps~2048Kbps, or user-defined (Max.6Mbps)
Audio Output: 2-ch BNC(Linear electrical level, 600Ω)
Audio Bit Rate: 16kbps
Dual Stream: Support
Synchronous Playback: 4-ch
Hard Disk Driver     
Interface Type: 8 SATA interfaces for 4 HDDs + 1 DVD-R/W (default), or 8HDDs
Capacity: Each interface supports more than 2TB capacity
External Interface     
Network Interface: 1 RJ45 10M/100M/1000M adaptive Ethernet Interface
USB Interface: 3 USB2.0 interfaces
Serial Interface: 1 RJ45 RS-232 interface; 1 RS-485 interface; 1 RS-485 keyboard interface
Alarm Input: 16-ch
Alarm Output: 4-ch
General     
Power Supply: 100~240VAC, 6.3A, 50~60Hz
Consumption: ≤70W (without hard disk or DVD-R/W)
Working Temperature: -10℃~+55℃
Working Humidity: 10%~90%
Chassis: 19” standard 2U chassis
Dimensions: 450mm(D)×450mm(W)×95mm(H)
Weight: ≤8Kg (without hard disk or DVD-R/W)