Simple Operation: This Honeywell Home PRO 3000 Non-Programmable Thermostat from Resideo offers basic operation such as a slide switch for selecting heat, cool, or operate the fan. The backlit digital display makes temperature and settings easier to read in various lighting conditions. With the Honeywell Home PRO 3000 Non-Programmable Thermostat from Resideo, you can expect years of reliable temperature control. Complete with push-button climate control, an easy-to-read backlit display, and professional installation.