Features Premium Temperature Control: Set and adjust the temperature with , ensuring accurate output control and delay protection, along with temperature correction and sensor fault alarm for reliable operation. Versatile Management Modes: Offers various control methods for temperature and time, allowing easy adjustment to meet specific requirements, enhancing work efficiency. Reliable Microcomputer Control: Equipped with a sensitive sensor, this temperature controller provides simple and efficient regulation of heating and cooling processes, ensuring consistent performance. Wide Application: Suitable for use in coolers, refrigerators, and more, making it ideal for storing food, vegetables, fruits, medicine, and other perishable items. Clear Digital Display: The controller features a digital display that shows real-time temperature in both ℃ and ℉, with high resolution for enhanced accuracy. Specification: Item Type: Temperature Controller Model: ETC-974 Working Power Supply: AC230V 50/60HZ Relay Capacity: 8A 220V AC Operating Temperature: -5℃ ~ 55℃ Relative Humidity: 10%~90%, non condensing. Storage Temperature: -30℃ ~ 85℃ Sensor: NTC sensor with 10K resistance value. Sensor Failure Delay: 1 Minute Temperature Control Range: NTC Probe: -50℃ ~ 110℃ PCT Probe: -55℃ ~ 140℃ Display Resolution: 1℃ or 0.1℃. Package List: 1 x Temperature Controller 2 x Sensor 1 x User Manual Package List 1 x Temperature Controller 2 x Sensor 1 x User Manual