Standard Features - High-Definition, Full Color Display - Larger, full color display screen makes it easier to read - Temperature Control on Demand - Sense and make adjustments from anywhere in the home (with Portable Comfort Control) - All-In-One Control - Controls temperature and Indoor Air Quality (IAQ products) such as humidification and dehumidication from a single control in the living space - Outdoor Temperature/Humidity - When used with a Wireless Outdoor Sensor, the outdoor temperature and humidity can be displayed on Prestige to help you prepare for your day and save money - Interview-Based Programming - Walks you through a simple setup process to program your heating and cooling equipment run time - 7-Day Programming - Allows separate programming for each day - Simple Touchscreen Technology - No hidden doors or complex buttons - Tri-Lingual - Adjust settings to display in English, Spanish or French - Available in HD - High Definition (color) or SD- Standard Definition (black/white) - Model Numbers - YTHX9321R5003, YTHX9321R5012, YTHX9321R1000, YTHX9321R1011, THX9321R5000, THX9321R1008 - Up to 5-Year Warranty (when registered)