This Refrigerator Temperature Gauge provides precise monitoring to help you protect your food and appliances. Precise monitoring: Measures a range of 2050 / 4122 and records the and lowest temperatures, helping you understand your refrigerator's performance over time. Large screen: A large display makes it easy to read the current fridge temperature at a glance, aiding quick assessment of food freshness and preventing spoilage. Ecofriendly material: Built with an IPx3 waterproof structure and ecofriendly waterproof material, it performs reliably in wet, cold, or hot environments, helping keep groceries safe and well maintained. Small and portable: Compact design with easy mounting on the back of your fridge or freezer using the included bracket. It also pairs with a magnetic multiangle bracket for car fridges. Use scenarios: Home kitchen: Monitor refrigerator and freezer temperatures to maintain safe storage conditions and reduce waste. Car or portable cooling: Use in car fridges or portable coolers during travel, camping, or shopping to keep perishables at the correct temperature. Damp or varied environments: Ideal for garages, basements, or other areas where moisture or temperature swings occur, ensuring groceries stay secured.