USB DVR Series PK-D3104

1.   4 channels video input in one card, the maximum display/recording rate is 25 fps under PAL format, and 30 fps under NTSC format. 
2.   4 screen display modes are available. 
3.   Multi alarm triggering method: sensor, motion, video loss, and HDD space shortage. 
4.   Support schedule recording mode, recycling recording method available. 
5.   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. 
6.   Support multi-channel playback, searching by time/date and recording events, images can be zoom/capture/save/print/backup. 
7.   Support remote surveillance and PTZ control through web browser, support dynamic domain name 
Remote playback function. 
8.   Configurable auto reboot function for preventing PC deadlock. 


More specific details as states below:
Input Type
 BNC
 
Video Input
 4 Cams
 
Audio Input
 4 Ch PC Audio
 
Video Output
 1 Ch VGA Video Output
 
Display Rate
 25 fps (PAL), 30fps (NTSC)
 
Recording Rate
 25 fps (PAL), 30fps (NTSC)
 
Compression Format
 MPEG4
 
Video Resolution
 704x576,352x288(PAL)

640x480,320x240(NTSC)
 
Recorder Media
 HDD, USB Disk, ZIP, CD-R/W
 
Record Mode
 Motion/Sensor/Schedule/Manual
 
Network
 TCP/IP
 
I/O Device
 4 Ch Hi/Low Input, 1 Ch Relay Output
 
PTZ
 Protocol Configurable, Remote Control Capability
 
Remote Software
 Support Internet Explorer Web Browser