Outdoor Vandal- proof IP camera, H.264,support 32G Local memory,two way audio,1/ ... 3compression format, dural stream,D1/CIF/QCIF optionalSupport 3X optical zoom,12X digital zoomMobile view,support most of the intelligent cellphoneSupport ... illumination0.5 Lux/F1.2S/N ratio>48DBWB,BLCAutozooming3X optical zoom,12X digital zoomLens5-15mmAudioCompression formatG.726/G.711Inputone channel linear ...