The mobile phone is connected to the hotspot of the device, and the camera screen can be viewed in real time through the APP, and functions such as video recording, screenshot playback and video playback are supported. It is convenient to check the power of the device, and supports offline viewing of screenshots and videos. When the mobile phone is connected to the device hotspot, the camera screen can be viewed in real time through the APP, and functions such as video recording, screenshots, horizontal and vertical screens, zoom in and zoom out, square and circular viewing angles, and video playback are supported. It supports obtaining the power of the device, displaying the specific power value, and supporting offline viewing of screenshots and videos. The main features are: simple and convenient to use, no need for cumbersome device network distribution operations, just directly connect to the device hotspot, you can watch the camera screen. Because of the direct connection to the device hotspot, the transmission of image content is stable and the transmission speed is relatively fast.