This digital temperature controller can be used for household freezers, water tanks, refrigerators, industrial coolers, boilers, steamers, industrial equipment and other temperature control applications, easy to operate and operate. Features: Mini temperature controller with large and clear LED display for better readability. Supports switching modes between cooling mode and heating mode. Control the temperature by setting the temperature setting value and difference value. Supports temperature calibration and control output delay protection refrigeration. Supports alarm function when temperature exceeds temperature limit or sensor error, ensuring safety. Wide temperature measurement range from -50 to 99 C. Can be used for domestic freezers, water tanks, refrigerators, industrial coolers, boilers, steamers, industrial equipment and other temperature control applications. br/> Features: Model: STC-1000 Power supply: 12V, 24V, 110-220VAC (optional) Temperature measurement range: -50 ~ 99 Resolution: 0.1 Accuracy: 1 (-50 ~ 70 ) Sensor error delay: 1 minute Power consumption: