It has a DVR disc carving machine, it’s convenient for huge storage and controlling the data. And, it also has a CF card slot, you can use the CF card to store the important picture. Advanced MPEG-4 compression. The setting of resolution, frame rate and record time can be set up individually. In the case of a power failure the unit will restart automatically and resume recording once the power comes back. Plug in and forget, suitable for all working environments. The system built in watchdog function allows for a prompt restart of less than 10 seconds to minimize down time. The unit’s motion function can pre record a set time limit before and after the detected motion. Masking feature can allow user to block a certain private area while recording the acceptable targeted area. Data encryption technique and 3 levels passwords ensure the system cannot be operated or used by illegal users. Video and VGA output. Monitor and backup over LAN/WAN. User Information log. RJ-45 Network port, support TCP/IP, UDP/IP network transmit agreement. It adopts IE browser.