... domain name bounded 3,Two way audio 4,Support 10X optical zooming 5,Certified by Microsoft a Details: System securitySupports ... software, support multi-channel monitor &management & check alarm picture via IECMSmulti-window mangement software,no user limited , centralized ... illumination0.5 Lux/F1.2S/N ratio>48DBWB,BLCAutozooming10X optical zoominggLensf=3.9-39.0mmCompression formatG.726/G.711Input ...