Alexa can control your TV with a Logitech Harmony. Here's how - CNET
The Logitech Harmony Elite Experience: Ultimate Control
Logitech Harmony Smart Control: A Universal Remote for Tech Enthusiasts
Harmony Software
Ubuy - Logitech Harmony Elite Remote Control, Hub and App, works with Alexa Order From Abroad By: Logitech Search by EAN Number: “0097855117007” Available only at ubuy.com The most powerful and intuitive