Line Voltage Control, Ventilation, Switch Type SPDT, Switch Action One Opens, One Closes On Rise, Number Of Switches 1, Control Range 30-110 F, Differential +/- 3 Deg F, Height 4 5/8 In, Width 2 3/8 In, Depth 2 1/4 In, Temp Sensitivity +/- 3 Deg F, Sensor Type Hydraulic Cap, For Use With Heating or Cooling, Color Grey, Application Heating or Cooling, Analog Display, Enclosure Type Plastic, Includes Screws and Mounting Plate