Precise Monitoring: Measurement range 2050/4122; records the and lowest temperature to help you understand your refrigerator's performance. Large LCD Display: Large, easytoread HD screen provides precise and instant temperature information. Keep food fresher for longer by ensuring storage conditions. Safe Material: Environmentally friendly waterproof material with an IPx3 waterproof structure, designed to function in wet, cold, or hot greenhouse environments. Small and Portable: Compact, portable design; can be fixed on the back of your fridge or freezer with the included bracket, and is also suitable for car fridges with the magnetic multiangle bracket. Use Scenarios: Home refrigerator or freezer: monitor and verify safe storage temperatures to protect perishable foods. Car or travel fridge: maintain reliable temperatures on the go during trips or camping. Greenhouse or other wet/cold/hot environments: monitor ambient and storage temperatures with reliable IPx3 protection.