... synchronous realtime playback, GRID interface*Support Multi-brand network cameras: Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor ... .*ONVIF Version 2.0 conformance*3D intelligent positioning with Dahua PTZ camera*Support 8 SATA HDDs up to 32TB, ... Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS etc)Max Remote Users20 Users simultaneouslyRemote ...