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Indoor cameras have CMOS sensors. Those sensors are easily damaged by direct sunlight. Outdoor cameras use CCD sensors.== Some Termonology == * CMOS and CCD - Indoor cameras have CMOS sensors. Those sensors are easily damaged by direct sunlight. Outdoor cameras use CCD sensors.* ONVIF - Open Network Video Interface Forum. An open standard for how IP products within video surveillance and other physical security areas can communicate.* VMS - Video Management Software.