Feature 1The large LCD screen can directly read the maximum/minimum temperature, which is convenient for observing the temperature change of the refrigerator. 2Multipurpose, can be used in refrigerators, restaurants, bars, coffee shops, large supermarkets, pharmacies, guest rooms, etc. 3Rugged and durable, waterproof grade IPX3, ABS environmental protection material, can be used for a long time. 4The thermometer can be hung, the small size does not take up too much space, and it is hung in the refrigerator to measure the temperature more accurately. 5Highprecisie refrigerator thermometer, wide measuring range and high precise, temperature range 20~50.SpecificationItem Type: ThermometerMaterial: ABSWeight: Approx. 59g / 2.1ozProduct Size: Approx. 89x60mm / 3.5x2.4inBattery Parameters: A CR2032 button battery (not included)Temperature Measurement Range: -20~50 (-4~ 122)Measurement Error: 1RenovateRate: 10SWorking Principle: Resistance temperature measurementAccuracy: 1C (2F); resolution: 0.1C (0.2F)/: Press the / key to switch between Celsius and Fahrenheit.CLR: Press the CLR key to reset the maximum/minimun reading record. Package List1 x Thermometer(Battery not Included)1 x English ManualNote1. Please allow 1&8209;2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.