Fangrui Product Details [high Accuracy 24 Sensitive Vents]digital Room Thermometer Of 24 Sensitive Vents Provide Accurate Readings, Fast Response With Every 10 Seconds. Wide Measuring Range That Measures Temperature From 32fahrenheit To 122fahrenheit(0celsius~50celsius), Temperature Accurancy Range Around +/- 2.7fahrenheit ( +/- 1.5celsius). Humidity Sensor Measures Humidity From To , Humidity Accuracy Range Around +/- . [great Visibility Easy Operation]wall Thermomfter Indoor Displays Temperature In Fahrenheit Or Celsius By Button(fahrenheit/celsius Switchable). A Clear Lcd Display, Easy To Read Even From A Far Distance. Comes With A Cr2 Batteries And 6 Months Working Time. Note:please Remove The Protective Film Before Use. [stylish Design Professional]hygrometer Thermometer Measures Indoor Humidity And Indoor Temperature In Time Help To Adjust The Humidifier, Dehumidifier Settings And Humidity, Great For Monitoring Familys Living Conditions And Health By Preventing Colds, Dry Skin, Asthma, Allergy, Mold. [multiple