It seems that the battery-operated Reolink models do not support the export of video recordings, either via FTP or via RTSP connection. Does anyone know of an alternative? I am looking for a camera with the following features: - Connection to third-party systems possible (FTP, RTSP, ONVIF or similar) - Waterproof - Battery-operated, but power connection via USB available (ideally also microUSB) - Small