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- Device looks and feels WAY more expensive than it is. Honestly wouldn't have thought it costs £20, seems like a far more premium product.
- Fits fine inside of a standard UK lightbox, although it's very deep. I had to trim the earth wire left in my lightbox to the point that it's utterly unusable now.
- Screws come with the product, and they were fine for two of my installs, but two of my others needed much longer screws for some reason. Ended up having to buy a pack of "M3.5 x 40mm 1.5".
- I'm no electrician (I can just about wire a plug) and managed to install these all by myself. Slightly daunting at first, but actually it's really very simple.
- The product doesn't appear to do any smart home integration truly natively, but rather it uses what I suspect is a fairly universal Chinese app called "eWeLink". Not as polished as Samsung Smartthing (main platform of choice) or Google Home (second platform of choice), but it actually is very comprehensive in it's features (more than anything else I've every used) including firmware updates and small things like letting you disable the WiFi / network indicator light or what the default switch positions should be after a power failure etc. Really rather impressed.
- Saying that, due to the lack of polish (and God knows what security issues may exist!) I'm of course not using "eWeLink" as my main smartphone interaction app. Thankfully eWeLink has full and comprehensive integration with nearly every mainstream smart home ecosystem. I use Smartthings as my main platform, which eWeLink directly integrates with. As such I can see each switch in Smarthings and use it just as you'd expect with everything supported and working. eWeLink also has native integration with Google Home, Alexa and IFTTT.
Whilst I don't use voice assistants, our kids have Google Nest Mini devices in their rooms (for various things but partly to manage their bedroom smart lights and smart lamps). I can (I tested it) have eWeLink directly integrate into Google Home, but instead I have it as:
SONOFF -> eWeLink -> Samsung Smartthings - Google Home -> Google Assistant (via Nests mini)
May think it'd be super slow and high latency, but it's as good as instant to be honest.
On a side note, I have sensors around the house for lights to come on automatically with motion. This works great by using Smartthings together with smart bulbs plus a motion sensor (also in Smartthings). If movement then turn on bulb, if no motion after 2 mins turn off light.). For the smart switches, it works the same, but some of my motion sensors also have humidity sensors built in too. This means I have it setup so that if a bathroom is getting too humid, the SONOFF smart switch turns "SWITCH 2" on, which just so happens to be the extractor fan!
Anyway, I digress. These are just brilliant, excellent value for money and I couldn't be happier with the 4 that I brought. (TX0-2 I think for my model).
