Supply: AC 110V-220V Temperature Control Range: -55°C to 120°C Resolution: 0.1°C (-9.9 to 99.9); 1°C (other ranges) Measurement Accuracy: 0.1°C Control Accuracy: 0.1°C Sensor: NTC10K Waterproof Sensor Output: Relay Contact Capacity: 10A 220V Operating Environment: -10°C to 60°C, Humidity 20%–85% RH Sensor Cable Length: 1 meter Functions: P0: Cooling or Heating Mode P1: Differential Setting P2: Maximum Temperature Upper Limit Setting P3: Minimum Temperature Lower Limit Setting P4: Temperature Calibration P5: Delay Start Time (unit: minute) Color: Black Material: Plastic Dimensions: 79 x 43 x 26 mm Package Contents: 1 x Digital Temperature Controller Note: Package includes only the items listed above. Other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: ±1–3 cm.