product name: LW-8000 * SAA7130 Video Decorder * Mpeg4 compression. * 8ch video. * Display Speed 240fps, Recording Speed 240fps * Multi-channel overlay with low CPU occupancy. * Still image capture. * Multi-card in single system* Offer SDK Demo application source code. prouct name: LW-404P * SAA7134 Video Decorder * Mpeg4 compression. * 4ch video & audio,A/V keep stable synchronous all along (Long-time A/V synchronization). * Display Speed 120fps, Recording Speed 120fps * Multi-channel overlay with low CPU occupancy. * Still image capture. * Built-in 4-channel alarm input and output, can connect many kinds of annunciator. * Multi-card in single system* Offer SDK Demo application source code. Product name:LW-4000 * SAA7130 Video Decorder * Mpeg4 compression. * 4ch video.* Display Speed 120fps, Recording Speed 120fps * Multi-channel overlay with low CPU occupancy. * Still image capture. * Multi-card in single system* Offer SDK Demo application source code. Product name:LW-878A Support SDK Support videophone PAL 25 frame NTSC 30 frame Differentiate:640*480 Taking picture by computer long-distance teaching and audio and video meeting