Regarding AC, register preset information for buttons and icons, and for buttons and icons for appliances other than TV and TV, please register as below.
Example of operation using Amazon Alexa's smart home skill (unlimited number)
"Turn on / off the O (appliance name)"
If it does not work properly, please confirm that the sound is correctly recognized.
Tap ≡ at the top left of Amazon Alexa application.
You can check the "history" by tapping.