Honeywell THX9321R5000 Prestige HD Color Display Thermostat High Definition, Full Color Display - Virtual clarity of the display is three times better than typical thermostats Temperature Control on Demand - Sense and make adjustments from anywhere in the home (with Portable Comfort Control) Outdoor Temperature / Humidity - When used with a Wireless Outdoor Sensor, the outdoor temperature and humidity can be displayed to help you prepare for your day Interview-Based Programming - Walks you through a simple setup process to program your heating and cooling equipment run time Energy Savings - Program to save up to 33% on annual heating and cooling costs (if used as directed. Saving may vary depending on geographic region and usage)