"Experience a new style of comfort. The Honeywell Home X8S Smart Thermostat combines convenience, comfort, and energy efficiency with advanced features to enhance your home living space. The sleek 5"" touchscreen display delivers enhanced visibility with the option to choose the color and style of the idle screen to match your home. It is compatible with First Alert VX1 and Ring video doorbells, allowing users to see and speak to visitors directly from the thermostat (video doorbells sold separately). The X8S provides precision comfort and indoor air quality (IAQ) monitoring and control* and can be adjusted remotely, along with other smart home Resideo video, safety, and water leak detection products, via the First Alert app. The X8S works with up to 3 heat/2 cool heat pump systems with electric backup or 2 heat/2 cool conventional systems. Matter certified and compatible with Amazon Alexa, Google Assistant, and Apple Home, the X8S easily fits into your smart home ecosystem. Works with Honeywell Home Room Sensors (sold separately).*Additional HVAC equipment or accessories may be required."