Note: The DS4008HS can be set as 8 Channels QCIF/CIF/DCIF/4CIF compression resolution, not support dual encoding. One chipset compress 8 channels video image. Available Models: Cards are stackable to obtain 64 channels maximum DS4008HS 8 ... - Update: 2009-10-24

Cards are stackable to obtain 64 channels maximum DS4008HCI 8 channels video and audio CIF(real time) or 4 channels video and audio 4CIF (real time) or 3 channel 4CIF and 2 channel CIF (real time) or 2 channel 4CIF and 4 channel CIF (real ti... - Update: 2009-10-24

DS4008HF Each video input can max support 4CIF resolution real time. Features & Functions : -Real-time video and audio compression, no frame lost -4CIF preview resolution -Comply with PCI 2.2 standard , a PC can support up to 64 channels... - Update: 2009-10-24

Models: HK-DS4016HCI Cards are stackable to obtain 64 channels maximum 16 channels video and audio CIF (real time) or 8 channels video and audio 4CIF (real time) or 16 channel DCIF (real time) or 16 channel 4CIF(not real time) Features & F... - Update: 2009-10-24

Note: The DS4016HS can be set as 16 Channels QCIF/CIF/DCIF/4CIF compression resolution, not support dual encoding. DS4016HS:Two chipsets compress 16 channels CIF. DS4016HCS: There chipsets compress 16 channels CIF Available Models: Cards... - Update: 2009-10-24

Models: DS4004HCI Cards are stackable to obtain 64 channels maximum 4 channels video and audio CIF(real time) or 2 channels video and audio 4CIF (real time) or 1 channel 4CIF and 2 channel CIF (real time) or 4 channel DCIF (real time) or 4... - Update: 2009-10-24