Wifi interference is the most common cause for this, in which checking your [RSSI in the device health section of the Ring app](https://community.ring.com/t/how-it-works-your-ring-device-rssi-good-vs-poor/229), can help to ensure for optimal wifi signal. As the Video Doorbell Pro is capable of 2.4 Ghz and 5 Ghz wifi connection, I recommend using the 2.4 Ghz connection option. It's always a good step to check power variables when a device is falling offline, especially if wifi is optimal. I hope this helps! :)