For use in household refrigerators, commercial coolers in supermarkets or convenience stores, dormitory small fridges, and refrigerators, this sensor system helps keep food fresh in any setting. Includes thermal fuses and defrost sensors designed to precisely monitor and maintain your fridge's internal temperature, reduce frost buildup, and enhance cooling efficiency. Ideal for: Homeowners who want to preserve food freshness and extend shelf life. Renters seeking to maintain appliance efficiency and reliability. Restaurant operators requiring consistent storage conditions for perishable items. Enthusiasts who perform handson appliance maintenance and troubleshooting. Durable construction: Crafted from corrosionresistant materials, this sensor is designed to withstand extreme temperatures and deliver reliable performance across various refrigerator models. Key benefits: Precise temperature control for food freshness Effective frost management to improve cooling efficiency Broad compatibility with household, dormitory, and commercial units Durable, corrosionresistant construction for long service life Suitable applications and scenarios: Family kitchen: install or in a standard household refrigerator to maintain consistent temperatures and preserve dairy, produce, and leftovers. Retail and food service: use in commercial coolers to ensure stable temperatures for perishable inventory in supermarkets or convenience stores. Shared living or maintenance: deploy in dormitory minifridges or other apartment appliances to maintain efficiency and reduce spoilage.