... support, ONVIF HDMI, 8pcs HDD 4.2U 16CH NVR High Quality Dahua Onvif Nvr 4/8/16 Channel 2U Professional NVR3816 Model ... synchronous realtime playback, GRID interface*Support Multi-brand network cameras: Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, ... Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS etc)Max Remote Users20 Users simultaneouslyRemote ...