Trane Deluxe Model Programmable Thermostats     XL800- TCONT800-7-Day Digital Programmable, 1 stage heat/1 stage cool XL802- TCONT802-7-Day Digital Programmable, 3 stage heat/2 stage cool XL803- TCONT803-7-Day Digital Programmable, 2 stage heat/2 stage cool with humidity sensor   View the XL800 User Manual   Features   Interactive Touch Screen: an easy to read and responsive touch screen makes navigation easy. Effortless Programming: programming is menu driven and so simple to set up. Large, Backlit Display: the large, open display shows temperature and time. It lights up when touch screen is pressed. Streamlined Design: a sleek and sophisticated design is perfect for today’s home. Armchair Programming: with armchair programming the control can be removed from the wall so it can be programmed more easily while sitting. Real-Time Clock: maintains time even during power failures. And, it automatically adjusts to daylight savings time. Visual Reminder Cues: visual reminders tell you when it’s time to change filters. Programmable Fan: Offers you more options for comfort and cleaner air when used with Trane’s air cleaners. Five-Year manufacturer’s limited warranty for residential use.