The digital temperature controller can be used for temperature control applications such as household refrigerators, water tanks, refrigerators, industrial chillers, boilers, steam boilers, industrial equipment, etc. operation is simple features: miniature temperature controller, large and clear LED display for better readability supports switching between cooling and heating system control the temperature by setting the temperature set point and difference support Temperature Calibration and Refrigeration Control OUTPUT DELAY Protection supports functions temperature alarm above temperature limit or sensor error to ensure safety The temperature measuring range is - 50F to 99F It can be used in household refrigerators, water tanks, refrigerators, industrial chillers, boilers, steam boilers, industrial equipment and other temperature control applications Features: model: STC - 1000 power supply: 12V, 24V, 110 - 220VAC (optional) Temperature measuring range: - 50 ~ 99 resolution: 0.1 C accuracy: 1(-50)~70. ) sensor error delay: 1 minute energy consumption: lt; 3 weeks sensor: NTC sensor (1) ambient temperature: 0 ~ 60 Storage temperature: - 30 ~ 75 relative humidity: 20% ~ 85% (non-condensing) Sensor length: 1 M / 3.28 ft (including probe) Front panel size (L * w): 75 * 34.5 mm / 2.95 * 1.36 in mounting dimensions (L * w): 71 * 29mm / 2.80 * 1.14 inch item size: 85 * 75 * 34.5 mm / 3.35 * 2.95 * 1.36 inch packing size: 100 * 85 * 50mm / 3.94 * 3.35 * 1.97 in Packing weight: 128 G / 5.04 OZ Packing list: 1 * temperature controller