360 degree panoramic view angle, no blind area, infrared night vision so that day and night can clearly display the screen. Built in Microphone and Speaker. You can listen in or talk at anytime any where with Free App V380. Motion Detection – Once the abnormal behavior will automatically send warning message to your app, keeping a close eye on your house and keeps it safe while you are away. Support two-way voice intercom, support IOS / Android. Easy to set up & easy remote view, access anywhere, anytime.