Key Features: State-of-the-art digital video technology, invincible image quality, up to 64 channels CIF video & audio realtime record in one PC. Specifications: Model: 3008HQ Video Input: 8 ch Audio input: 8 ch Displaying speed: PAL:200fps@D1, NTSC: 240fps@D1 Recording Speed: PAL:200fps@CIF or 50fps@D1, NTSC: 240fps@CIF or 60fps@D1 Compression:: H.264 (Hardware support) Video Format: PAL / NTSC Piture Resolution: CIF: 352x288@PAL, 352x240@NTSC D1:704x576@PAL, 704x480@NTSC Image Size: 0.5K~8.0K Dual-stream: Yes Motion Detect: Yes Watermark: Yes DI/DO: Yes (Selected) PTZ Control: Yes Network Connection: LAN / PSTN / ISDN / ADSL / Internet OS: Windows all platform (32 bit)