STC-1000 Digital Temperature Controller Heating Cooling Centigrade Thermostat with Sensor This Digital Temperature Controller can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipment and other temperature control applications, easy to operate and use.  Features: Mini temperature controller with large and clear LED-display for better readability. Support switch modes between cooling mode and heating mode. Control temperature by setting the temperature setting value and the difference value. Support temperature calibration and refrigerating control output delay conservation. Support alarm function when temperature exceeds temperature limit or when sensor error, ensuring safety. Wide temperature measuring range from -50℃ to 99℃. Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipment and other temperature control applications. Specifications: Model: STC-1000 Power Supply: 12V, 24V, 110-220VAC (Optional) Temperature Measuring Range: -50℃~99℃ Resolution: 0.1℃  Accuracy: ±1℃ (-50℃~70℃) Sensor Error Delay: 1 Minute Power consumption: <3W Sensor: NTC Sensor (1PC) Ambient Temperature: 0℃~60℃ Storage Temperature: -30℃~75℃ Relative Humidity: 20%~85% (No Condensate) Sensor Length: 1M/3.28ft(Include the Probe) Front Panel Size(L*W): 75 * 34.5mm / 2.95 * 1.36in Mounting Size(L*W): 71 * 29mm / 2.80 * 1.14in Item Size: 85 * 75 * 34.5mm / 3.35 * 2.95 * 1.36in Package Size: 100 * 85 * 50mm / 3.94 * 3.35 * 1.97in Package Weight: 128g / 5.04ounce Package List: 1 * Temperature Controller  1 * Temperature Sensor 1 * User Manual(English)