Function and purpose: Designed for use in household refrigerators, commercial coolers in supermarkets or convenience stores, dormitory minifridges, and standard refrigerators to help keep food fresh in any setting. This sensor module combines a thermal fuse and defrost sensor to monitor and maintain the appliance's internal temperature, reducing frost buildup and improving cooling efficiency. Key benefits: Maintains consistent temperatures to preserve freshness, minimizes frost formation, and supports overall appliance efficiency and reliability. Compatibility and size: Compatible with a broad range of refrigerator models. Dimensions vary by model, so check compatibility for your specific unit. Materials and durability: Made from corrosionresistant, durable materials capable of withstanding extreme temperatures, ensuring reliable performance across different refrigerator brands and models. Performance: Precision monitoring and temperature control help sustain storage conditions, contributing to longerlasting freshness and dependable operation. Use scenarios: 1) Replacing a worn defrost sensor in a household refrigerator to restore stable temperature and food freshness. 2) Upgrading a dormitory or office minifridge to improve efficiency and maintenance of food storage. 3) Installing in a commercial cooler or restaurant storage refrigerator to ensure consistent cooling conditions and reliable operation. Why choose this part: It offers precise temperature monitoring with a robust, corrosionresistant construction, broad compatibility across models, and practical benefits for both home use and commercial applications.