... . Support Mobile surveillance, such as iPhone,Windows Mobile,Black Berry,Symbian,Android, ect.SpecificationNo.Model ZM-804D 1OSMain ... image:396 Zones(22*18), Sensitivity:multi-level4AudioCompressionG711ABidirectional TalkSupport5RecordingModeManual>Alarm>Montion Detection>TimeSearchTime & Date / Event List/Channel Search6PlaybackPlayback ... Video and Audio Input DVR For Mobile Surveillance System