Thanks for the add. I currently have our new Lennar home wired up with the Smartthings hub with a few devices.Thanks for the add. I currently have our new Lennar home wired up with the Smartthings hub with a few devices. I want to change out the kitchen lights with an Inovelli red 3 way switch. Do I need to buy 2 of them or do I just need one and leave the other alone?