White-Rodgers" Digital Programmable Thermostat, Conventional, 45 to 99 deg F Control Range, Heat/Cool Differential, 1 Stages Heat, 1 Stages Cool, Programs Per Week: 7/5+1+1 Days, Terminal Designations: RC, RH, C, W, Y, O/B, G, System Switching: Heat/Off/Cool, Fan Switching: Auto, 4.5 sq-in Lighted Display, 20 to 30 VAC, Battery/Hardwire, White, 3-3/4 in H x 6 in W x 1-1/8 in D, Import