MPEG-4 Web TransmissionMPEG-4 web transmitting compression format for faster transmission and clearer images via network Flexible Function Control Solution With Removable Control PanelThe control panel can be removed and used as a remote controller Graphical OSD InterfaceGraphical OSD Interface for easier and more friendly usage Multiplex OperationAllow live display, record, playback, backup, and network operations at the same time Free Upgrade to Advanced FunctionsAllow you to upgrade DVR functions without any charges Long Recording Time500GB can record around 70 days (8CH, CIF, Normal Quality, 60 IPS) Backup FunctionSupport file backup via a USB flash drive and network. Remote SurveillanceSupport remote surveillance up to 5 users simultaneously with licensed software AP and IE browser Intelligent Motion Trigger RecordingWith the advanced functions of motion detection, scheduled motion detection recording (4 different adjustable factors for motion detection sensitivity) and quick search, customized security environments are achieved Support pre-alarm recording (8MB) Covert RecordingA mask replaces the live image with a blank screen and the monitor shows nothing, but the recording is still on A/V SupportSupport 4 audio-in, 1 audio-out to record sounds General FunctionSystem auto recovery after power reconnected Daylight saving function Manual / timer / motion / alarm / network recording Watermark to ensure the authentication of recorded images TCP/IP, PPPoE, DHCP and DDNS network connection