ETC-974 Mini Temperature Controller Refrigerator Thermostat Regulator Thermoregulator Model: ETC-974 Temperature measurement range: NTC probe: -50C to 110C (-58F to 230F) PTC probe: -55C to 140C (-67F to 284F) Display resolution: 1C / 0.1C (switch mode between integer and decimal) Accuracy: NTC: 0.5C (-30C to 50C), 1C (other ranges) PTC: 1C (-30C to 50C), 2C (other ranges) Probe type: NTC (-50C to 120C), PTC (-50C to 150C) Power supply: 230VAC 10%, 50/60Hz Rated current of relays (refrigeration, defrost, and fan): 8A / 220VAC Operating temperature: -5C to 55C Relative humidity: 10%90% RH (non-condensing) Storage temperature: -30C to 85C Input: 2 NTC sensors Color: Black + red Material: Plastic Dimensions: 77 x 34.5 x 58 mm Sensor length: 2 m (including probe) Package Contents: 1 x Temperature Controller 1 x NTC Probe 1 x PTC Probe Note: Only the items listed above are included. Other products are not included. Lighting and display differences may cause slight variations in color between the product image and the actual item. Measurement error is +/- 13 cm.