The Nest 3rd Generation Learning Thermostat is a programmable device designed to save energy in your home. It is powered by a 24V corded electric source and comes in a sleek silver colour. The thermostat allows for remote control, app control, and digital control, with a 2-inch display that shows the temperature and other settings. It features a 7-day programmable schedule, auto system switching, and frost protection. The Nest thermostat is compatible with Google Home/Assistant, Amazon Alexa, and Nest, providing a smart home solution for efficient heating and cooling.