... the resolution is high to 1280X1024.Searching modes: time / data searching, event searching, recording group searching ... playback, network can be operated at the same time.Specification: ModelGRT-D6004MHGRT-D6008MHOperation SystemEmbedded Linux Operation ... CompressionADPCMRecording ModeManual, Timing, Alarm, Motion detectionSearch ModeBy time, event, channel, logBackup ModeNetwork download, USB ...