Model	ST2004K
Compression Mode	MPEG4
Resolution	PAL：704*576            NTSC：704*480
Playback Resolution	HD1
Video Input	4 Channel，BNC（1.0Vp-p,75Ω）
Video Output	1 Channel，BNC（1.0Vp-p,75Ω）
Video Speed	PAL：1--100f/s,NTSC：1—120f/s
Audio Compression Standard	OggVorbis。
Audio Input Interface	RCA（2Vp-p,1kΩ）。
Audio Input / Audio Output	4 Audio input /1 Audio output
Audio Compression Speed	16Kbps
PTZ Control	RS-485 Interface（Support Pelco–D 、Pelco–P protocol）
HDD Interface	1 HDD interface
Remote Device	Support remote control by infrared
MOUSE Interface	Support mouse(standard PS/2 interface)
USB Interface	support USB memory stick,HDD(usb interface)
VGA Interface(option)	1024×768/60Hz
AVI Video Format	Through client software converted to AVI format
Power Supply	DC12V/3A
Power Consumption(without HDD)	20～30W
OperationTemperature	-10℃--＋55℃
Working Humidity	10％--90％
Net Weight/pcs(without hard disk)	750g
G.W./pcs(without hard disk)	1.3kg
Dimension	280*208*43 mm
Inner box Dimension	340*325*80mm
Case Dimension	665*355*415mm
Each Case	10pcs

1. 4-channel video input and  4CH Audio input.    
2.Multi-language :English, Chinese，Russian .
3. Display modes:  Full and Quad display. 
4. video loss and motion detection functions.   
5.System can support panel, remote controller and mouse operate at the same time
6. Support IR remote controller,support USB bachup and SATA HD for recording。