Features 【Main Function】This 220V AC temperature controller can be used for cold storage, refrigeration cabinet, and freezer to measure and control temperature, making it convenient and practical. 【Dual NTC Temperature Sensors】The digital display thermostat adopts dual sensor wires and transformer control, with a temperature range of -50-50℃, with high measurement accuracy. 【LED Display】The temperature controller adopts an LED digital display screen, displaying ℃, making it easy to see temperature changes, clear and intuitive. 【Multiple Modes】220V Thermostat module adopting a microcomputer controller, cooling and heating can be converted, supporting temperature control, refrigeration, and defrosting modes. 【Other Functions】Control according to the temperature setting value and return difference, control output, protect delay, limit the range of setting values, support temperature correction and sensor fault alarm. Specification: Item Type: Temperature Controller Model: STC 9200 Working Power Supply: AC220V 50HZ Compressor Relay Capacity: 10A 220VAC Fan Defrosting Relay Capacity: 10A 220VAC Operating Temperature: -10℃-60℃ Relative Humidity: 20%-85%RH (non condensing) Temperature Measurement Control Range: -50℃-50℃ Sensor: NTC Sensor (resistance value 10K) Sensor Failure Delay: 1 Minute Accuracy: ±1℃ Package List: 1 x Temperature Controller 2 x Sensors 1 x User Manual Package List 1 x Temperature Controller 2 x Sensors 1 x User Manual