Smart Sensor AR807 Thermometer Hygrometer for incubator Humidity / Temp. / Clock 1.Temperature Range:-40°c to 70°c (-40°F to 158°F) 2.Temperature accuracy:±1°c (1.8°F) 3.Temperature resolution:0.1°c / °F 4.Humidity range:20%RH to 90%RH 5.Humidity accuracy:±5%RH 6.Humidity resolution:1%RH 7.Calendar: 1999/1/1-2048/12/31