Measuring Range: Temperature -50 degree-+70degree(-58Fahrenheit-+158Fahrenheit) Humidity 10%-99%RH Display Resolution: Temperature 0.1degree(0.2Fahrenheit) Humidity 1%RH This product display value by LCD Digital Thermometer Hygrometer Fridge Freezer tester Humidity Meter Measuring Accuracy: Temperature ±1 degree(±2Fahrenheit) Humidity ±5%RH, Manufacturer: SkyPOOU