Docooler&reg; Digital Temperature Controller Thermocouple with Sensor (-58~194&deg;F) 10A 110V With large and clear LED display for better readability. Wide temperature measuring range. Heating and cooling control. Temperature calibration function. Delay protection function. All parameters can be set to default setting after short circuit. Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipments and other temperature-controlled systems.