Hardware Specifications: -Modules name : P878H -Capture Chip : Conexant 878A -Video Input(s) : BNC x 4 -TV-Out : No -Total Recording Rate : 120 fps (NTSC), 100 fps (PAL) (depend on CPU speed and Video-In channel amount ) -Total Display Rate : 120 fps (NTSC), 100 fps (PAL) -Video Resolution : 320 x 240, 640 x 240, 640 x 480 -Compression Format : MPEG4(software compression) -Digital I/O : Digital 4 x In & 4 x Out -Watch Dog :Yes Software specifications: -Compression Format : MPEG4 , MJPEG -Simultaneous recording, playback, and remote control -Circular, Motion detection and Event triggered recording -Able to adjust pre-alarm and post-alarm recording time (Pre-alarm recording: 10 seconds, Post-alarm recording: 300 seconds) -Able to record event in the log file (System login and logout, motion detection and video loss) -Allowing to set authority of all users (local monitor, local playback, PTZ control, remote surveillance , and remote playback) -Allowing to search images by date, time, camera, event -Able to save image as Bitmap(*.bmp), JPG and . AVI format -Watermark function -Able to e-mail event list and event image to e-mail receiver phone, Mobile phone notification -Able to view live video via PSTN, ISDN, LAN, Internet -Able to do remote playback and setup -Able to view live video and PTZ control by IE browser -Able to connect 16 different recording servers (IP) through the remote surveillance software (RX) -Support DIO function -Support WDT function