Electronic Temperature Control, Input Voltage 24 Volts, Switch Action SPDT, Sensor Thermistor, 2 Inches Long, 1/4 Inch Diameter, 8 Feet Cable, Set Point Range -30 to 220 Degrees Fahrenheit, 0-10 Volts Output No, Ambient Humidity Range 0 to 95% RH, Noncondensing, Differential Range 1 to 30 Degrees Fahrenheit, Enclosure NEMA 1, Number of Stages 1, Length 2 Inches, Height 6.52 Inches, Depth 2.48 Inches, Width 2.7 Inches