Precise Monitoring This Refrigerator Temperature Gauge covers a measurement range of 20 to 50 C (4 to 122 F). It records the and lowest temperatures reached, helping you understand the refrigerator's performance and ensure proper storage conditions. Large LCD Display A large, easytoread definition screen provides precise and instant temperature information. Quick visibility helps you verify storage conditions at a glance and supports keeping your food fresh. Safe Material Constructed from environmentally friendly waterproof material, this gauge offers extreme weather resistance. It features an IPx3 waterproof structure, allowing reliable operation in wet, cold, or hot greenhouse environments. Flexible Placement Designed for versatile mounting, this device uses a magnetic multiangle bracket for easy placement on a variety of surfaces. It can be used on car refrigerators and other compatible units, so you can monitor temperature wherever you are. Use scenarios Home kitchen fridge: monitor temperature fluctuations over time to ensure stable cooling and maintain proper food storage. Car or RV portable fridge: place on the fridge door or interior surface to keep track of temperature during travel and ensure safety of refrigerated items. Greenhouse or outdoor setups: use in damp or hot environments where temperature can vary, ensuring consistent cooling for stored produce or samples. Compatibility and performance Function: precise measurement, max/min temperature recording, instant display Range: 20 to 50 C / 4 to 122 F Material: environmentally friendly waterproof construction Waterproof rating: IPx3 Mounting: magnetic multiangle bracket for flexible placement Applications: suitable for home refrigerators, car refrigerators, and portable cooling units