The Nest 3rd Generation Learning Black Programmable Thermostat T3016US is a wireless, electric-powered thermostat with a sleek, stainless steel design. It features a variety of compatibility options such as Apple HomeKit, Google Home, and Amazon Alexa, making it easy to integrate into your smart home system. This programmable thermostat offers advanced features like alerts and reminders, energy reporting, and learning/smart response capabilities. With its color display, backlit screen, and voice control options, the Nest thermostat provides both style and functionality for efficient climate control in your home.