Features: Control temperature by setting the temperature set value and differential value. This mini temperature controller is a reliable and convenient multifunction device for temperature control in farms, greenhouses, and refrigeration units. Touch switch operation with 0.1C accuracy for precise temperature control. Temperature stability is essential for the health and safety of your plants and animals; this controller helps maintain optimal environmental conditions. Measures and controls temperature from -55C to 120C. Includes automatic over-temperature alarm. Supports dual heating and cooling functions. Specifications: Model: STC-3000 Type (Optional): 220V 10A, 220V 30A Working Principle: Electronic thermostat, digital thermostat Power: 220V 10A, 30A / AC220V Thermostat Temperature Range: -55C to 120C Dimensions: 85 x 35 x 65mm / 3.34 x 1.38 x 2.56 inches Weight: 121g, 136g Package Included: 1 x Temperature Controller Note: This product displays temperature in Celsius only. Fahrenheit is not available, despite any labeling that may suggest otherwise.