H.264 coding,Real time promotion DVR 100 fps recording for CIF, 44fps recording ... .2,system resources: at the same time 16-channel CIF real-time video and network transmission, 1 or 4-channel CIF ... Output: 1-channel BNC.12,Alarm Input: 16 switch input.13,Alarm output: 1 switch output.14,PTZ control: RS485.15 ... : 12V 3A.20,language:More then 10. H.264 coding,Real time promotion DVR