... .support UPNP, 485 interface. 2 two-way audio 3 night vision distance up to 15-25m 4 ... FTP/send messages to alarm serverUser settingThree levelsDate settingsupportupgradeOnlineDDNSA free DDNS is providedPhysical indexweight610gdimension185mm(L, )*75mm(W)* ... Application softwareIPCMonitor.exeFeatures: IP66 waterproof, MJPEG compression, two-way audio, night vision, FTP, email alarm, motion detection, ...