... 1.support UPNP, 485 interface. 2 two-way audio 3 night vision distance up to 15 ... protocol802.11b/gVideo controlsupportDual way communicationsupportMotion detectionsupportTriggered actionEmail/FTP/send messages to alarm serverUser settingThree levelsDate ... exeFeatures: IP66 waterproof, MJPEG compression, two-way audio, night vision, FTP, email alarm, motion detection, provide 485 interface, ...