Features:Mini and Powerful: The mini temperature controller can both control heating and cooling with a wide temperature measuring range from -55 C to 120 C.Clear LED Display: With red and blue 2-color displays, it is easy to distinguish and more convenient for better readability.Precision Contral: This controller with 0.1 centigrade control accuracy, high control accuracy is suitable for household freezer, water tanks, etc.Safe and Reliable: Relay output. All parameters can be saved after short circuit.Widely Application: Can be used for household freezer, water tanks, refrigerator, industrial chiller, steam appliance, industrial equipment and other temperature control system.Specifications:Material: ABSColor: BlackPower Supply: 12VDC/24VDC/110-220VAC (optinal)Temperature Control Range: -55 C to 120 CResolution Ratio: 0.1 C (-9.9 to 99.9); 1 C (other range)Display Color: Red / BlueMeasurement Accuracy: 0.1 CControl Accuracy: 0.1 CSensor: Waterproof NTC10K SensorOutput: Relay contact capacity 10A / 220V, 20A / 12VEnvironmental Requirements: -10-60 C, Relative Humidity 20% -85%Dimension: 79 * 43 * 26mm / 3.1 * 1.7 * 1.0"Cutting Size: 73 * 39mm / 2.9 * 1.5"Item Weight: 43g / 1.5ozPackage Weight: 50gPackage Size: 80 * 45 * 30mm / 3.1 * 1.8 * 1.2"Package List: