*Use the standard H.264 video compression format stream lower, high quality, longer recording time, taking up less bandwidth resources *GUI OSD interface, USB Mouse controller, more intuitive, easier to use for user-friendly *Support CIF recording resolution，6 image quality adjustable *Hexaplex operation simultaneously: Preview, recording, playback, and network live, backup, playback *Multiple record mode: Auto、timer、motion recording mode *Recording playback support: Normal play、Speed play、Fast back play、Manual single-frame slow play *Support drag the progress bar can be targeted playback time directly *Support Multiple channel playback at the same time(Support 4CH playback simultaneously) *Support Network function: one IE browser centralized monitoring and SNS Software for multiple DVR (up to 20 DVR simultaneously) *Support DHCP, DDNS, PPPoE and NTP network service *Supports remote surveillance up to 10 users simultaneously via the internet Explorer web browser *Support more than 17 kinds protocol of the PTZ control *Supports Multiple backup mode: USB flash drive and network backup *Support pre-alarm recording (before 10 sec), not lose any suspicious screen *Support one SATA HDD, unlimited for the capacity *Support 1ch audio input *Support remote view by Mobile phone *Support VGA output *Support IR remoter controller *System auto recovery to power after power reconnected, and return to the pre-power-down state