1.Multilanguage:Chinese,English,Russian,Italian,Portuguese,Spanish,German,French 2.Live view Zoom Support 3.ADPCM audio FeaturesH.264 real-time high compressionStand-alone Linux2.6 operation system Graphics & Windows OSD interface Support D1(for 4CH only), HD1 and CIF recording resolutionADPCM audio compressionSupport triplex operation: record, playback, net transmissionSupport remote view with ...