WHITE-RODGERS™ Thermostat, 0 to 30 VAC, 0.05 to 1.5 A, 50/60 Hz, 5-1-1 day Program Programmability, Manual, Battery, Hardwired, 1 Heat/1 Cool Stages, Heat-Off-Cool (System), Auto-On (Fan) Switch Position, 2 sq-in Blue Display, 0.6 to 1.7 deg F Differential Temperature, 45 to 90 deg F Temperature Settings, 32 to 105 deg F, 90% Non-Condensing Humidity Rating, +/-1 deg F Accuracy, Horizontal Mounting, Terminal Designation: R, C, W, Y, O/B, G, Alkaline Battery, White, 3.8 in H x 4.8 in W x 1.5 in D