@Tpuser14 What are the hardware and firmware versions of your devices?

@Loupapet Remove the doorbell back plate, there is a ON/OFF button, pressing it for 3 seconds can turn on the doorbell. If the doorbell still won't turn on, leave it charging for a while (with a...

@Mikromys Are these actual existing products? Which specific models have you encountered? Could you share some examples here?

@adok13 You may refer to this article for troubleshooting. How to Troubleshoot Android Delayed Notifications on Tapo APP

@IOB_Geoff The energy data exported from the Tapo P110 includes detailed information on energy usage and power data. You can check if that helps with your project.

@Jardikb What do you mean by the 'offline mode'? Does the camera show offline in the app? Did you notice its LED status? Did the camera automatically switch off night mode itself in the morning? What...