Features:
1) 4 channels video input
2) The maximum Display/recording rate is 25 fps under PAL format and
  30fps under NTSC format
3) 4 screen display modes or single scree display modes
4) Multi alarm triggering method: sensor. motion, video loss and HDD space shortage.
5) Support schedule recording mode and recycling recording method
6) MPEG4 video compression format, 5 level recording quality options available, and the recording     frame  rate range from 1 to 30 fps adjustable for each channel.
7) Support multi-channel playback, searching by time/date and recording events, images can be zoomed/captured/saved/printed/backup.
8) Support remote surveillance , PTZ control through web browser, and support dynamic domain name
9) Remote playback function
10) Configurable auto reboot and watchdog function for preventing PC deadlock.
11) Auto Mail notification-sends you a picture of the movement captured by camera
Mobile phone remote surveillance

System Requirements:

CPU	Intel P4 Celeron processor，Minimum 1700MHz
Mainboard	Intel 845/865/915
HDD	80G Minimum
RAM	256M Minimum
VGA	GeForce2，GeForce4，FX5200，ATI Rage128
OS	Windows 2000(SP4 above)/2003(SP1above)/XP(SP2above)
DirectX	9.0
USB	2.0

Specification ：

Input Type	BNC
Video Input	RCA×4
Audio Input	1-ch input, 1-ch output
Image output	1-chVGA ouput
Display Rate	25 fps(PAL), 30(NTSC)
Recording Rate	25 fps(PAL), 30(NTSC)
Compression Format	MPEG4
Video Resolutio	640x480/352x240(NTSC)；704x576/352x288(PAL)
Recording backup	HDD,USB Disk,ZIP,CD-R/W via PC
Record Mode	Manual /Motion/Sensor/Schedule
Nework	TCP/IP
Communication Port	USB2.0
IE	Remote Software Support Internet Explorer