Accurate performance: This temperature gauge records the and lowest fridge temperatures to help you understand its performance. It supports a measurement range from 20 to 50, with an accuracy of 1 and a resolution of 0.1. Large LCD screen: The large HD display makes it easy to monitor your refrigerator's temperature at a glance, aiding in maintaining food storage conditions. Ecofriendly and durable: Built with an IPx3 waterproof structure and ecofriendly waterproof material, it functions reliably in wet, cold, or hot environments. Provides peace of mind for keeping groceries wellmaintained and safe. Compact and versatile installation: Spacesaving design that does not take up much room. It can be fixed on the back of the refrigerator or freezer, or hung with a bracket, and is also suitable for car refrigerators. Use scenarios: Home kitchen fridge/freezer monitoring to ensure safe storage and quickly detect temperature fluctuations. Car or RV refrigerators during travel or camping to maintain proper cooling for perishable items. Small offices or dorm rooms with a compact fridge, providing simple, reliable temperature monitoring without clutter.