Low Voltage, Electronic, Digital Non-Programmable, 2-Heat/2-Cool Cover Type Rectangular Horizontal Color White Voltage Rating 24 Volt AC Current Rating 1 Amp (Terminal), 3 Amp (Total Load) Temperature Rating 45 to 90 Deg F Control Type Heat, Fan, Cool, Auto, Off Terminal Configuration RH/R, RC, C, G, B, O, Y1, Y2, W1, W2, E, L Accuracy +/- 1 Deg F Application Multi-Stage Gas, Electric, Oil, Heat Pump, Millivolt System Includes 3 Volt DC AAA Alkaline Battery Applicable Standard ISO 9001