... High quality compression; QR code scan for camera ID 1.1.Product featurel P2P connection technology ... day and night monitoring;l Motion detection, alarm recording and event list;l Micro SDHC card ... management; support centralized monitoring, recording, playback, and alarm management Plug and playSupport plug and play, and ... ,DNS,DDNS,NTP,UPNP,RTSP and etc.Wireless WIFI 802.11 b/gOnline usersMaximum 4 ...