Dahua IP Cameras DVR; 4/8/16 channel with 1080p realtime live view; H ... POE 4/8/16 channels standalone NVR recorder for IP camera system Up to 4/8/16 channel with 1080p realtime live ... Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support IP camera, DVR, NVS etc)Max. User Access20 usersSmart PhoneiPhone, iPad, Android, Windows ... interface 4/8/16 channels standalone NVR recorder for IP camera system