Honeywell THX9421R5021WW Touch Screen Thermostat with Red LINK Technology -White

THX9421R5021WW Redlink Prestige IAQ Color Touchscreen Thermostat Prestige IAQ has the features to make life at home easier, more inviting and ever so comfortable. Programming is simple and easy, too. The system interviews you and uses the answers to your questions to program itself. You also can connect to the Internet to bring thermostat control to your smartphone, PC or tablet. Controls up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages of heat and 2-stages of cool in a conventional system.