Yep, it's needs the neutral to power the switch itself including its wifi.

If you want to give my app a try rather than returning them I can add an automation action to synchronize the color (or temperature) of multiple bulbs - seems like a useful feature. Currently I only...

Most lower end routers will struggle with that many wifi devices but there are ways to work with 100+ plugs. You'll need to plan it properly, consider things lke control as vieldcs mentioned, and...

I don't mean to interfere, but I'm curious why you suspect the AC750 is part of the problem? Schedules are run on the bulb itself. You could try temporarily moving the bulb closer to your router to...

I'd also check for any wiring issues, maybe a bad/loose ground somewhere, or, if it's an HS200, a loose neutral. It's possible but probably unlikely the relay has gone bad inside the switch, you...

I would guess he's on a shared network, they've installed the app and are activating the switches locally. The only solution I could think of would be for him to set it up a separate network to which...