Some smart switches readily replace your existing switches, but this Switchmate Smart Home Light Switch is even more simple. Just attach it to your existing switches and it makes it instantly smart. It uses magnetic forces for attachment -- no tools, wiring, or complicated installation needed.
Connects to your phone via Bluetooth. Use it to turn on lights when you arrive home or enter rooms. Or you can schedule and control it on the fly using an app on your phone. The point is it is easy to use and will make your life easier overall, which is the point of all smart home products, isn't it?
Overall this product receives a rating of 3 out of 5 stars on Amazon. Users claim it is easy to install and does what it says it will, but the app is in serious need of an update.