... chs Video, 4 chs Audio, D1/Half D1 DVR Card (PCI-E)ParamatesVideo Input: 4 chs D1,8 chs Half ... Input: 4 channelsVideo Compression: H.264/MPEG-4Slot: PCI-E SlotDecode: 10 bit(high quality image)Preview Resolution: ... can support up to 1-32 channels Video input interface: BNC Video input:75 Ohm Support languages: Simplified ... , 4 chs Audio, D1/Half D1 DVR Card (PCI-E) Windows 7 support, Mobile remote view