Universal/Multi-Stage 200-Series Touchscreen Thermostat, Two Heat/Two Cool, Volts:20 To 30VAC, 2-AA Battery (Batteries Included), Hertz:50-60, Lighted 4 -Inch Square Blue Display, Choice of 7 Day, 5/1/1 or 5/2 Day Programmable or Non-Programmable, Keypad Lockout Option, Setpoint Range:45 To 99DegF.(7 to 32DegC).Suitable for Use with an Indoor or Outdoor Sensor, Dual Fuel Feature(Heat Pump Mode)Gas or Oil Heat, Millivolt Heat Only Systems-Floor or Wall Furnaces, Dims:4"H X 5-1/8"W X 1-1/4"D,Color:White, Weight:12oz , In Mfg Box, Made In China.