This is advanced digital network alarm system and surveillance DVR server. It is based on an Embedded Linux operating system, which supports browsing by the window IE explorer and mobile phone. TCP/IP, 3G, PSTn network are supported. Can operate and real time monitor by web page and check equipment status. It is with storage for alarm video record and backup. It has 4/8/16 audio and video connection and wireless, wired and bus lines connection security sensors input. It is Integrated Security.