1. Intelligent temperature controller with refrigeration and heating functions, temperature range from -99°C to 400°C. 2. Equipped with smart PT100 temperature sensor, suitable for various 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: -99°C to 400°C Temperature measurement accuracy: ±0.5°C Sensor type: PT100 Display resolution: 1°C Operating voltage: AC 220V Working current: 200mA Relay contact current: 10A AC 220V (2200W) Data storage: Yes Operating temperature: 0°C to 60°C Storage temperature: -10°C to 60°C 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 monitor differences may cause slight variations in color between the image and the actual item. Measurement error allowance: ±1–3 cm.