easy to use. There were some difficulties with connecting to Alice. First you need to create an account in the manufacturer's application (eWeLink), and only then add it to the smart home pairing (when pairing applications in , you need to select the application (eWeLink) and enter the login and password from your eWeLink account). After that, sees the devices perfectly. I purchased them to organize "night" lighting in the apartment. It will run at the set time.