This Digital Temperature Controller can be used for household freezer, water tanks, refrigerator, industrial programmed, boiler, steam oven, industrial equipment and other temperature control applications, easy to operate and operate . Features: Mini temperature controller with large, clear LED display for better readability. switching modes between cooling support mode and heating mode. Temperature control by setting temperature set value and difference value. Media temperature calibration and refrigeration control output delay protection. Support alarm function when temperature exceeds temperature limit or sensor error, ensuring safety. A wide range of temperature measurement from -50 to 99. Can be used for household freezer, water tanks, refrigerator, industrial designated, boiler, steam oven, industrial equipment and other temperature control applications. Features : Model : STC-1000 power supply: 12V, 24V, 110-220VAC (optional) Temperature measurement: -50~99 Resolution: 0.1 Accuracy: 1 (-50~70) Sensor Error Delay: 1 minute Power consumption: