If Apple made light switches ... they'd probably be pretty bad considering the rest of their stuff at home, but these are definitely the iPhone or iPad smart switches. I have 40 Lutron Box switches in my house and about 12 three-way remote controls. I installed most of them myself (I struggled with some weird ones), I have a newer house (2012) that has neutral everywhere. I have a mix of simple and variable switches. By no means, they were the most reliable piece of smart home technology I own, but the hub was in a corner of my office where I originally installed it during our move / renovation, instead of being hidden. with the rest of my network. equipment ... to this day. I have a small rack on the far side wall of my garage that houses my Unifi setup (that's where the cable goes in my house) and I wanted to put the hub in it, but I didn't think it would work due to the fact that it's mostly made of metal (well ventilated) with a glass door and then either passed through a wall or through a door with a steel core (fire door?). I only have one Cassette switch there, right next to the wall / door, so I was hoping everything would go through if needed ... and so tonight I took the plunge and it just works. Even the lights on one floor on the opposite side of the house (3400 sqft) are as receptive as ever. What is this magic? Lutron * has * to license this technology to every smart home company because it's fantastic.