After you’ve created a group, you can turn off all the Sockets in this group.
Echo, turn off my smart lights.
1.3. Support Skill list
You can control devices by instructions as follows:
Alexa, turn on [bedroom lamp]
Alexa, turn off [bedroom lamp]
Alexa, turn off [phone charger]
Alexa, turn off [iron]
Alexa, turn on [heater]