@Stuj33 Sorry I see there is more features in there. However is there any way to make my slave turn on/off based on my mains power? Looks like on Charge Guard it can only turn it off.

Yes please! I made an account just so I could comment on this one. I bought the Tapo ecosystem just to be able to do this after searching for ages for a master/slave switch - to no avail. This is a...