Dahua IP Cameras DVR; 4/8/16 channel with 1080p realtime ... CMS; Support POE 4/8/16 channels standalone NVR recorder for IP camera system Up to 4/8/16 channel ... , Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital ... , DDNS, FTP, Alarm Server, IP Search(Support IP camera, DVR, NVS etc)Max. User Access20 usersSmart PhoneiPhone, iPad, ...