... /P PTZ control protocol.3. Support one key to run recording function.4. Support holiday recording and ... 6. Support search, playback, backup the recording according to events; support playback and search pictures in local.7. ... modeTime/Date, Alarm, Motion detection & Exact search(accurate to second)Playback functionPlay, Pause, Stop, Fast play, Slow play ... port 4/8/16 channel h.264 real time dvr