4channelsvideoinputinonecard,themaximumdisplay/recordingrateis25fpsunderPALformat,and30fpsunderNTSCformat.4screendisplaymodesareavailable.Multialarmtriggeringmethod:sensor,motion,videoloss,andHDDspaceshortage.Supportschedulerecordingmode,recyclingrecordingmethodavailable.MPEG4videocompressionformat.5levelrecordingqualityoptionsavailable,andtherecordingframeraterangefrom1to30fpsadjustableforeachchannel.Supportmulti-channelplayback,searchingbytime/dateandrecordingevents,imagescanbezoom/capture/save/print/backup.SupportremotesurveillanceandPTZcontrolthroughwebbrowser,supportdynamicdomainnameRemoteplaybackfunction.ConfigurableautorebootfunctionforpreventingPCdeadlock.Automail