1. Intelligent temperature controller with refrigeration and heating functions, temperature range from -99C to 400C. 2. Equipped with smart PT100 temperature sensor, suitable for various applications. 3. Ideal for use in tin stoves, high-temperature flumes, UV curing machines, high-temperature equipment, and film sealing machines. 4. Suitable for vegetable farming, warehouses, domestic freezers, cold storage, poultry farming, water tanks, refrigerators, industrial chillers, boilers, steamers, industrial equipment, and other temperature-controlled systems. Specifications: Temperature control range: -99C to 400C Temperature measurement accuracy: 0.5C Sensor model: PT100 Display accuracy: 1C Operating voltage: AC 220V Working current: 200mA Relay contact current: 10A AC 220V (2200W) Data storage: Yes Operating temperature: 0C to 60C Storage temperature: -10C to 60C Color: Black Material: ABS Package Contents: 1 x Temperature Controller 1 x PT100 M8 Probe Sensor Note: The package includes only the items listed above. Other products are not included. Lighting and display settings may cause slight variations in the color of the item shown in the image compared to the actual product. Measurement error is +/- 1-3 cm.