Features [Smart Temperature Controller] Accurately monitor and control temperature, providing stable ambient temperature with this smart temperature controller. [Defrost Alarm] The temperature controller features a defrost alarm that alerts you in a timely manner, protecting refrigeration equipment from freezing and damage. [Dual Sensors] Equipped with dual sensors, this temperature regulator ensures accurate real time temperature readings, guaranteeing temperature accuracy and safety. [Easy Installation] With its user friendly design, this digital thermostat can be easily installed in your refrigerator or freezer, providing you with easy temperature control. [Versatile Use] This temperature controller is versatile and can be used in both home and commercial settings, making it suitable for kitchen refrigerators, walk in freezers, and more. 1. [Smart Temperature Controller] Accurately monitor and control temperature, providing stable ambient temperature with this smart temperature controller. 2. [Defrost Alarm] The temperature controller features a defrost alarm that alerts you in a timely manner, protecting refrigeration equipment from freezing and damage. 3. [Dual Sensors] Equipped with dual sensors, this temperature regulator ensures accurate real time temperature readings, guaranteeing temperature accuracy and safety. 4. [Easy Installation] With its user friendly design, this digital thermostat can be easily installed in your refrigerator or freezer, providing you with easy temperature control. 5. [Versatile Use] This temperature controller is versatile and can be used in both home and commercial settings, making it suitable for kitchen refrigerators, walk in freezers, and more. Specification: Item Type: Digital Temperature Controller Material: ABS, PC Power Specification: AC110 AC220V 60 50HZ Operating Temperature Range: -10-60℃ Operating Humidity Range: 5-90%RH (non condensing) Temperature Display Range: -50-100℃ Temperature Resolution: 0.5℃ Temperature Display Accuracy: ±1℃ Temperature Setting Range: -30-100℃ Sensor Type: 10K3950 Functions: Refrigerating, Freezing, Light Control, Defrosting, Fan packing list: 1 x Digital Temperature Controller 2 x Sensors Package List 1 x Digital Temperature Controller 2 x Sensors