BroadLink International - Now, S1/S2 can be used in European region as well. Use ihc for eu to setup S1/S2, then you could use sensor in BroadLink APP and Alexa. Google home
ADAM28 Antibody - BSA Free (NBP2-67246): Novus Biologicals
User guide of RM pro on ihc App, work with Alexa! - YouTube
Intelligent Home Center For EU on the App Store
Wi-Fi Smart Timer Plug 2 Packs Mini, BroadLink Wireless Socket Outlet with Night Light, No Hub Required, Compatible with Alexa, Control your Devices from Anywhere, White - - Amazon.com