APP connects to the hard disk recorder and cloud camera by landing on cloud. The application functions are as follows 1 quickly configure WIFI parameters of cloud cameras by sonic configuration and AP configuration. 2 remote site monitoring by landing the specified serial number of the cloud link. 3 after landing cloud, capture and record. 4 remote link and configure device parameters. 5 supports two-way voice intercom between mobile terminals and device terminals. 6 support lighting control for bulb products. 7 support remote format of SD card, and video playback of files in SD card. 8 support cloud storage services (not yet on line)