Features: Mini and Powerful: The mini temperature controller can control both heating and cooling with a wide temperature measurement range from -55°C to 120°C. Clear LED Display: With dual color red and blue screens, it is easy to distinguish and more convenient for better readability. Precision Control: This controller with a control accuracy of 0.1 Celsius, high control accuracy is suitable for household freezers, water tanks, etc. Safe and Reliable: Relay output. All parameters can be saved after power off. Wide Application: Can be used for home freezer, water tanks, refrigerators, industrial chiller, steamer, industrial equipment, and other temperature-controlled systems. Specifications: Material: ABS Color: Black Power Supply: 12VDC / 24VDC / 110-220VAC (Optional) Temperature Control Range: -55°C to 120°C Resolution Ratio: 0.1°C (-9.9 to 99.9); 1°C (Other range) Display Color: Red/Blue Measurement Accuracy: ± 0.1°C Control Accuracy: 0.1°C Sensor: Waterproof NTC10K sensor Output: 10A/220V, 20A/12V relay contact capacity Environmental Requirements: -10-60°C, relative humidity 20%-85% Dimensions: 79 * 43 * 26mm / 3.1 * 1.7 * 1.0" Cut Size: 73 * 39mm / 2.9 * 1.5" Item Weight: 43g / 1.5oz Package Weight: 50g Package Size: 80 * 45 * 30mm / 3.1 * 1.8 * 1.2" Listing Package: 1 * Temperature Controller