Features 1、MAIN PURPOSE: This temperature controller can be used for cold storage, refrigeration cabinet, and freezer to measure and control temperature, making it convenient and practical. 2、DUAL SENSORS: The digital display thermostat adopts dual sensor wires and transformer control, with a temperature range of -50-50℃, with high measurement accuracy. 3、LED SCREEN: The temperature controller adopts an LED digital display screen, displaying ℃, making it easy to see temperature changes, clear and intuitive. 4、MULTIPLE MODES: Adopting a microcomputer controller, cooling and heating can be converted, supporting temperature control, refrigeration, and defrosting modes. 5、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