IP Autotracking Speed dome (AT-IPAC) IP Surveillance system 1.Real-time monitor via Internet Explorer without extra software 2.MPEG-4 video compression and ADPCM audio compression 3.ResolutionsD1/2CIF/CIF/QCIF 4.High performance MPEG-4 hardware compression 5.Support video synchronous compression and playback 6.Support ADSL (PPPoE) dialup function 7.Support TCP, UTP, RTP,DHCP, DDNS,etc 8.Variable bit rate and variable frame rate 9.AV/AVI record fomats 10.Built in web server 11.Supports IE monitoring, configuration and updating 12.Multi-lever user management 13.Remote control PTZ 14.Remote upgrade NVS firmware 15.Programable OSD&LOGO 16.Multi-zone motion detection 17.Video signal loss alarm functio