... ,CE,FCC,SGS,ISO,CCC 2.security camera system factory for 1.3 megapixels ip ptz camera 1, Gangzhou manufacture for 1.3 ... heater & fan inside, applies to frozen & hot weather5.H.264 video compression, G.726 audio compression6.Uses high quality step motor ... @25fps, 704X576/704X480Focusf=4.7-84.6mmZoom18X optical zoom, 10X digital zoomIrisF1.6~F36.2Minimum IlluminationColor0.1Lux/F1.2B/W0.001Lux ...