Main Features:  (1) Real time 30 fps per channel;  (2) total 120 fps  (3) High resolution 528X320 (NTSC), 528X384 (PAL)  (4) 4 channel audio recording Up to 32 channels installed on one PC  (5) Support up to 16 channels playback while recording Minimum System Requirements (1) Motherboard: (recommended) Intel chipset 845, 865, 875, 915 (2) Pentium 4 1.7GHz or higher  (3) 256MB RAM  (4) Display Card: (recommended) GeForce 4MX 440 64MB or ATI 9200, 9500 64MB DirectX8.1 or 9.0B Note: TNT2 NOT SUPPORTED  Main Functions Video Specifications (1) Encoder Real time H. 264 Base Profile (MPEG4 Part 10)  (2) Supports Constant Bit Rate (CBR) and Variable Bit Rate (VBR)  (3) Support up to 32 channels encoding at the same time on one PC  (4) Resolution CIF compression: Up to 352x240 (NTSC), 352x288 (PAL)  (5) Resolution 2 CIF compression: 528X320 (NTSC), 528X384 (PAL)  (6) Resolution Half D1 compression: 704X240(NTSC), 704X288 (PAL)  (7) Video Bit Rate: 60kbit/sec to 2Mbit/sec (Variable Bit Rate) 384kbit/sec to 2Mbit/sec (Constant Bit Rate)  (8) Frame Rate: 30 fps per channel (NTSC), 25 fps per channel (PAL) Real time preview, recording and playback  (9) Setup: Setup all parameters while encoding  (10) Video Filter: Hardware filter to de-interlace and reduce noise  (11) Video Input: 1-4 channel CVBS signal Composite video/BNC 1 VP-P, 75 Audio Specifications (1) Encoder: G. 729 Audio 8kbit/sec and PCM 64kbit/sec  (2) Audio Input: 1-4 channel audio input  (3) RCA: Line in/Microphone in Selectable  File Generation  File Formats: H. 264 video stream and H. 264 system stream System multiplexer powered by hardware  Playback  (1) Decoder: Support up to 16 channels playback while recording  (2) Video Out: Supports video decoder card and display video on VGA and output analog signal  (3) Network: Playback and remote view by Media Player and IE  Others (1) Motion Detection: Multi-area detection powered by hardware Detection by active area and sensitive priority  (2) Time Code: Add TT: MM: DD and HH: MM: SS: FF format data in video  (3) Logo: Add fixed picture and set mosaic area in video  (4) Video Masks: Provide video mosaic region for each channel  (5) Alarm: Video loss alarm  (6) Security: Each card has its unique serial number  (7) Power: Usage Less than 1W for each channel (8) Web: Support IE