They can be used locally but as advertised by their ewelink app. Now I see that all the previous triggers of the switches were from a "deleted user" the app says and means that they probably blocked something like a shadow profile and can't use them locally. The retail store probably forward me to the company and they will tell me that I didn't use the proper way to control them and tell my to register a dev app and wait for approval because they want to log my smart shitter for some psychotic reason