1. Intelligent temperature controller with cooling and heating functions, temperature range from -99C to 400C. 2. Equipped with smart PT100 temperature sensor, suitable for a wide range of applications. 3. Ideal for use in soldering stoves, high-temperature flumes, UV curing machines, high-temperature equipment, and film sealing machines. 4. Suitable for vegetable farming, warehouses, home freezers, cold storage, poultry farming, water tanks, refrigerators, industrial chillers, boilers, steamers, and other temperature-controlled systems. Specifications: Temperature control range: -99C to 400C Temperature measurement accuracy: 0.5C Sensor type: PT100 Display resolution: 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 accessories are not included. Lighting and display settings may cause slight variations in color between the product image and the actual item. Measurement error is +/- 1-3 cm.