Accurate performance: This temperature gauge records the and lowest fridge temperatures to help you understand performance. Temperature range is 20 to 50 C; accuracy is 1 C; resolution is 0.1 C. Large LCD display: A large HD screen makes it easy to monitor your refrigerator temperature at a glance, helping maintain food storage conditions. Waterproof and durable: Made from ecofriendly waterproof material with IPx3 protection, this gauge is suitable for wet, cold, or hot environments such as fridges in damp spaces or greenhouses. Compact and portable mounting: Small and portable design that can be easily fixed on the back of your fridge or freezer with the included bracket. It is also compatible with a magnetic multiangle bracket for car fridges. Use scenarios: Home use: Place on a kitchen fridge or freezer to continuously track temperature and verify consistent cooling. Travel or camping: Attach to a car fridge with the magnetic bracket for reliable temperature monitoring on the road. Wet or greenhouse environments: Use in damp or variable conditions to ensure stored items stay within safe temperatures.