The Google Nest Smart Thermostat in Charcoal is a round, temperature sensor technology device that allows for easy control through the Nest app. With a 2.4-inch display size, this programmable thermostat is designed for efficient heating and cooling in your home. Made of plastic, it offers features such as Bluetooth and Wi-Fi connectivity, making it compatible with Google Home/Assistant and Amazon Alexa for seamless integration into your smart home system. Manufactured in 2020, this sleek and modern thermostat provides a convenient and effective way to adjust your home's temperature.