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: ABS Color: Black Power Supply: 12VDC/24VDC/110-220VAC(optinal) Temperature Control Range: -55C-120C Resolution Ratio: 0.1C(-9.9-99.9); 1C(other range) Color of Displaying: red/blue Measurement Accuracy: 0.1C Control Accuracy: 0.1C Sensor: NTC10K Waterproof sensor Output: Relay Contact Capacity 10A/220V, 20A/12V Environmental Requirements: -10-60C , humidity 20%-85%RH Dimension: 79*43*26mm / 3.1*1.7*1.0 Cutting Size: 73*39mm / 2.9*1.5 Item Weight: 43g / 1.5oz Package Weight: 50g / 1.8oz Package Size: 80*45*30mm / 3.1*1.8*1.2 Package List: 1 * Temperature Controller