TH-1609 Remote Bulb Refrigeration Thermostat Temperature Control from -30 Degrees F To 90 Degrees F Dual Scale Temperature Dial Fahrenheit (F) and Celsius (C) Temperature Range: -30 Degrees F To 90 Degrees F (-34 Degrees C To 32 Degrees C) Adjustable Differential: 3.5 to 16 Degree F (1.6 to 9 Degree C) Switch Action: Close On Rise Case Dimensions (H,D,W): 5 5/8" x 2 5/8" x 2" , Capillary Length: 8'