Features:Mini and Powerful: The mini temperature controler can both make heating and cooling contral with wide temperature measuring range from -55C-120C.Clear LED Display: With red and blue 2 color display,it is easy for distinguish and more convenience for better readability.Precision Contral: This controller with 0.1 centigrade control accuracy,high Control precision good for domestic freezer, water tanks,etc.Safe and Reliable: Relay output. All parameters setting can be saved after short circuit.Widely Application: Can be used for domestic freezer,water tanks,refrigerator,industrial chiller,steamer,industrial equipment and other,temperature-controlled system.Specifications:Material: ABSColor: BlackPower Supply: 12VDC/24VDC/110-220VAC(optinal)Temperature Control Range: -55C-120CResolution Ratio: 0.1C(-9.9-99.9); 1C(other range)Color of Displaying: red/blueMeasurement Accuracy: 0.1CControl Accuracy: 0.1CSensor: NTC10K Waterproof sensorOutput: Relay Contact Capacity 10A/220V, 20A/12VEnvironmental Requirements: -10-60C , humidity 20%-85%RHDimension: 79*43*26mm / 3.1*1.7*1.0"Cutting Size: 73*39mm / 2.9*1.5"Item Weight: 43g / 1.5ozPackage Weight: 50g / 1.8ozPackage Size: 80*45*30mm / 3.1*1.8*1.2"Package List:1 * Temperature Controller