Amazon Alexa
Alexa is Amazon’s voice assistant, built into Echo speakers and displays, used to control smart home devices by voice and in the Alexa app.
What it means for you
Many smart plugs, lights, locks and cameras work with Alexa, and some Echo devices also act as Matter controllers, Thread border routers or Zigbee hubs. If an Echo will not connect, our troubleshooting guide covers the usual causes.
Guides on this topic
- Echo and Alexa Wi-Fi Troubleshooting
Echo light colors, Wi-Fi fixes, setup error codes, changing networks and smart devices Alexa cannot find, from Amazon help.
- Best Smart Displays for Matter
Which Echo Show, Echo Hub and Nest Hub models act as Matter hubs and Thread border routers, and what to check before buying.
- Smart Home Compatibility Checker (interactive tool)
Check which assistants, hubs and protocols your devices need before you buy.
Related terms
← All glossary terms · Search all guides for “Amazon Alexa”
Definitions are short and general. For model-specific details, check your device maker’s own documentation.