This sensor installs inside your fridge without taking up space, helping optimize energy use and reduce your electricity bill. Suitable for household refrigerators, commercial coolers in supermarkets or convenience stores, and dormitory minifridges, helping keep food fresh in any setting. Made from corrosionresistant materials and designed to withstand extreme temperatures, delivering reliable performance across a range of refrigerator models. Ideal for homeowners who want to keep food fresh, renters seeking appliance efficiency, restaurant operators requiring reliable storage conditions, and those interested in handson maintenance of appliances. Use scenarios Family home: installed in a standard refrigerator to maintain consistent temperatures while minimizing energy consumption. Retail environment: used in commercial coolers in supermarkets or convenience stores to preserve perishables and reduce operating costs. Shared living spaces: deployed in dormitory or small apartment fridges to maintain efficiency and keep food fresh with straightforward maintenance.