... Hard Drive 2.Scheduled recording 3.cost-effective 8 Channel standalone dvr manufacturers The 9508 is ... 485 PTZ surveillance camera Pan/Tilt/Zoom4.1,4,8 channel simultaneous realtime playback5.Audio and video ... Filter,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL.8.Video Support H.264 Compression Format, Audio ... for full D1 realtime recording.10.4/8/16 channels video inputs, 4/8/4 channels audio inputs11.Non-pc ...