A mini temperature controller with a clear LED display for better readability. Wide temperature measurement range. Heating and cooling control. Temperature calibration. Delay protection function. All parameters are restored to default settings after a short circuit. Can be used for household freezers, water tanks, refrigerators, industrial chillers, boilers, steamers, industrial equipment, and other temperature-controlled systems. Rated current: 10A Consumption: less than or equal to 3W Measuring range: -50-110 degrees Celsius Measurement accuracy: 0.1 degrees Celsius Measurement error: +-0.3 degrees Celsius Working temperature: -20-70 degrees Celsius, Humidity: 90% no condensation Temperature NTC 25 C =10K B3435 (1m, no positive or negative) Output load: DC 9-72V Working voltage: DC 9V-72V +-10%, 50/60 HZ Color: black Material: plastic Size: 85 x 75 x 35 cm / 34 x 3 x 14 inches Package Contents: 1 x Temperature Controller, 1 x Temperature Sensor Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.