Video Compression: 

H.264

Analog Video Input: 

32-ch

PAL/NTSC Adaptive: 

Support

Video Input Interface: 

BNC (1.0 Vp-p, 75Ω)

Audio Compression: 

G.711u

Audio Input: 

4-ch

Audio Input Interface: 

RCA (2.0 Vp-p, 1 kΩ)

Two-way Audio: 

1-ch RCA(2.0Vp-p, 1kΩ)

VGA Output: 

1-ch, resolution: 
1920×1080P/60Hz,1280×1024/60Hz,1280×720/60Hz, 1024×768/60Hz

CVBS Output: 

2-ch (1 Main Video Out+1 Spot Video Out),
BNC (1.0 Vp-p, 75 Ω),
resolution: PAL: 704×576, NTSC: 704×480

HDMI Output: 

1-ch, resolution:
1920×1080P /60 Hz, 1280×1024 /60 Hz,1280×720 /60 Hz, 1024×768 /60 Hz.

Recording resolution: 

WD1/ 4CIF / 2CIF / CIF / QCIF

Video Loop Output: 

Optional

Frame Rate: 

25 fps (P) / 30 fps (N)

Video Bit Rate: 

32 Kbps ~ 3072 Kbps, or user defined (Max. 3072 Kbps)

Stream Type: 

Channel 1-4: Video, Video & Audio;
Other channels: Video

Audio Output: 

2-ch RCA(Linear electrical level, 600Ω)

Audio Bit Rate: 

64kbps

Dual Stream: 

Support

Synchronous Playback: 

16-ch

Interface Type: 

4 SATA interfaces for 2 HDDs + 1 DVD-R/W (default), or 4HDDs

Capacity: 

Up to 4TB capacity for each disk

e-SATA Interface: 

1 eSATA interface

Network Interface: 

1 RJ45 10M/100M/1000M adaptive Ethernet Interface

USB Interface: 

3 USB2.0 interfaces

Serial Interface: