Line Voltage Thermostat, Fan Coil, Switch Type (2) SPST, Switch Action One Opens on Rise, One Close on Rise, Number Of Switches 2, Control Range 50-90 F, Differential +/- 2 Deg F, Height 4 1/4 In, Width 3 5/8 In, Depth 1 1/4 In, Temp Sensitivity +/- 2 Deg F, Sensor Type NTC Thermistor, For Use With Heat/Cool System, Color White, Application Commercial or Residential, Analog Display, Enclosure Type PVC, Includes Screws and Mounting Plate