Video/Audio Input
Audio Input:    |    8-ch
Video Compression:    |    H.264
Analog Video Input:    |    8-ch
PAL/NTSC Adaptive:    |    Support
Video Input Interface:    |    BNC (1.0 Vp-p, 75Ω)
Audio Compression:    |    OggVorbis
Audio Input Interface:    |    BNC (2.0 Vp-p, 1 kΩ)
Two-way Audio:    |    1-ch BNC(2.0Vp-p, 1kΩ)
Video/Audio Output
Live View Resolution:    |    PAL: 704x576; NTSC: 704x480
VGA Output:    |    1-ch, resolution: 1024×768/60Hz
CVBS Output:    |    1, BNC (1.0 Vp-p, 75 Ω), Resolution: PAL: 704 × 576, NTSC: 704 × 480
Recording resolution:    |    4CIF/DCIF/2CIF/CIF/QCIF
Frame Rate:    |    25 fps (P) / 30 fps (N)
Video Bit Rate:    |    32Kbps~2048Kbps, or user-defined
Stream Type:    |    Video/Video&Audio
Audio Output:    |    1-ch BNC(Linear electrical level, 600Ω)
Audio Bit Rate:    |    16kbps
Dual Stream:    |    Support
Synchronous Playback:    |    4-ch
Hard Disk Driver
Interface Type:    |    4 SATA Interfaces
Capacity:    |    Up to 2TB capacity for each disk
e-SATA Interface:    |    1 eSATA interface
External Interface
Network Interface:    |    1 RJ45 10M/100M/1000M adaptive Ethernet Interface
USB Interface:    |    2 USB 2.0 Interfaces
Serial Interface:    |    1 RS-232 interface; 1 RS-485 interface
Alarm Input:    |    9-ch
Alarm Output:    |    4-ch
LCD:    |    5 inch
General
Power Supply:    |    100 - 240 V AC, 6.3 A, 50 - 60 Hz
Consumption:    |    ≤ 45 W (without hard disk or DVD-R/W)
Working Temperature:    |    -10°C~+55°C(14°F~131°F)
Working Humidity:    |    10%~90%
Dimensions:    |    280(D)×180(W)× 180(H)mm(11.02"(D)×7.09"(W)×7.09"(H))    
Weight:    |    ≤ 5000 g (11.02 lbs) (without hard disk)