Specification Capture rate (MAX.) 8ch Real-Time Monitoring 240(NTSC) /200(PAL) FPS Rec. & Display. Can build 16ch Real-Time(480/400FPS) system from 2PCS AKMC-8800 Image rate : Real time 30(NTSC) / 25(PAL) FPS each camera Video Resolution : NTSC: 640x480,320x240,160x120 PAL: 768x576,384x288,192x144 Video input ; 1-8 CH (can build 16ch from 2pcs.) Audio Input(s) : 1 CH two-way External Monitor : none IE Support Yes P/T/Z Control : 1-16 CH, RS422/RS485 Compression format : Engine-K (developed by kodicom) Interface : PCI Type Input Type : BNC: 4 CH* 2 pcs, 16 CH * 1pcs(Optional) RAM : D-type: DB-29 OS : Windows 98 / ME / 2000Pro / XP Pro 0.5KGS