-Support iOS/Android system and Onvif, can connect with any third party devices. -Can connect with mobile, PC, iPad and NVR(recorders) at the same time. -Two way voice intercom, with alarm video download function. -25fp/s, full real time recording and playback. -1.44MM fisheye lens, cover range: 100m2 -Cloud storage and TF card storage function(up to 64GB max) -Around 30 days data keeping, also can cover automatically.