A:AnswerWhat is the "full-sized" device? Depending on the voltage and amp of the device, you might need to be careful which smart plug you use. Also, if your device requires constant power, please keep in mind that a smart plug will stop all power going to the device until it is triggered.
A:AnswerThrough an activation command issued to any number of light dimmers, lamp dimmers and switches that are in their ecosystem.
Buy a compatible Lamp dimmer or light switch from amazon like WEMO , Tuya or Brilliant. Once installed, discover the device, enable the skill and waalllaaahhh! Voice controlled lighting.
A:AnswerYes. It is powered by a usb cable so you should be able to plug it to a 12v USB adapter
Note: you need a constant internet connection for it to work.
A:AnswerYes. I have two echo dots, one echo show and one echo. I have all of them set to play music on all for for music in many areas of the house. They all sound good.
A:AnswerThe echo dots has a speaker built in already. So you do not need a speaker and can download the Alexa app, plugin the Alexa dot and follow the setup prompts and start using.