The Google Nest Smart Thermostat 4th Generation in Charcoal is a sleek and modern device that offers advanced features for efficient climate control. With smart home compatibility with Google Home/Assistant and Amazon Alexa, this thermostat can be easily managed through the Nest app. It is designed for easy installation with a 3-wire wire configuration and low voltage protection. The thermostat is programmable for 7-day schedules, has 2 heat and 2 cool stages, and is made of durable plastic material. Its compact design makes it suitable for wall mounting, and it operates on AAA batteries for convenience. Enjoy free shipping and the assurance of top-notch quality with this sealed product.