Is there a way to set an automation on our Tapo cameras to switch between home and away mode with the touch of a tapo smart button? I would like to position the smart button in the hallway, so when we

I have a Mesh network of 3 Deco E4s in our house. We have some blind spots, so am looking to expand (2 or 3 more). Question is... what do I buy? 1. More E4s? Keep the network on the same units... but