... 0 interface, to achieve stable operation of USB Mouse, back-up, imprinting, upgrade, etc.6.Imitate the interface of ... DDNS,NTP,UPNP,EMAIL,IP authority,IP search,alarm center, etc.),complete set(WEB,client-side,SDK ... channels only)AudioAudio compressionG711ABidirectional talksupportRecord and playbackRecord modeManual>Alarm>Motion detection>TimingLocal playbackDepends on digital channelsVideo searchTime ...