1. Intelligent temperature controller with refrigeration and heating functions, temperature range from -99C to 400C. 2. Equipped with smart PT100 temperature sensor, suitable for a wide range of applications. 3. Compatible with tin stoves, high-temperature flumes, UV curing machines, high-temperature equipment, and film sealing machines. 4. Suitable for use in vegetable farming, warehouses, domestic 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: AC220V Working current: 200mA Relay contact current: 10A AC220V (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: Other items not included. Slight color differences may occur due to lighting and display settings. Measurement error of 13 cm may apply.