In addition to a wide viewing angle, it allows you to zoom the screen to distant objects and see detail points more clearly. It has a motion tracking feature and it not only detects people, it also does pet, leaf cloud triggering. It has an integrated microphone and speaker for improved sound quality, allowing you to communicate with people in front of the camera wherever you are. Instant alerts are sent from the app when motion or sound is detected. You can automatically track and record video of moving objects. The high-resolution, 2Megapixel HD lens offers a night vision distance of up to 15 meters. Provides 355° horizontal and 80° vertical rotation range. Compatible with Onviff support; longterm recordings can be made by connecting to NVR recorders, if necessary.