"Wanan" is a remote video service APP for smart cameras, which can remotely watch and review the situation in homes, villas, yards, offices, factories, construction sites, and outdoors in real time, and can receive alarms and notifications from the camera at any time. The camera is linked in real time. Users can set various intelligent functions of the camera through this APP, and can remotely OTA online upgrade to keep the camera functions in the best and latest state.