Google Nest Thermostat is a Certified Smart Thermostat for a home that helps you save energy and stay comfortable
Google Nest Thermostat is designed to work without a C wire in most homes, But for some systems including heating only, Cooling only, Zone controlled, and heat pump systems, you'll need a C wire or other compatible power accessory
NOTE: You can also check your system's compatibility check on the google nest Support Page
Brand - Google
Model name - Google Nest Thermostat
Item Dimensions - 3.31" X 3.31" X 1.07"
Controller Type - Google Assistant, Amazon Alexa, Next < IOS, Android