LuxPro PSPU721T 7 Day Programmable Touch Screen Thermostat - 2 Heat/1 Cool Large, dot-matrix TRUE TOUCH-SCREEN with adjustable contrast Patented ENERGY WATCH, monitors the KWH consumption and dollar cost of operating the HVAC system AUTOMATIC CHANGEOVER mode - no need to manually switch between heating or cooling. Filter Monitor feature indicates when to change air filter Optional WTR-064 Outdoor Transmitter