This digital temperature controller can be used for household freezer, water tanks, refrigerator, industrial chiller, boiler, steam oven, industrial equipment and other temperature control applications, easy to use and operate. Features: Mini temperature controller with a large, clear LED display for better readability. Switching modes between cooling support mode and heating mode. Temperature control by setting the temperature setting 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 temperature measurement range from -50 to 99. Can be used for household freezer, water tanks, refrigerator, industrial cooler, 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: