Line Volt Mechanical Tstat, Switch Type SPST, Switch Action Open on Rise, Number of Switches 1, Control Range 40 Degrees to 80 Degrees F, Differential +/ 3 Degrees F, Height 4 17/32 In., Width 2 29/32 In., Depth 1 15/16 In., Sensor Type Bi Metal, For Use With Non Inductive Electric Heating Loads, Electric Baseboard, Heat Cable or Ceiling Panels, Color Beige, , 120 to 277VAC, Includes Room Thermometer, Locking Cover and Range Stops