Temperatureange: -50 ~ +70c ( -58 ~ +158f) Humidityange: 20%~99%rh Resolution: Temperature: 0.1 C (0.1f), Humidity: 1% Rh Accuracy: Temperature: +- 1c (1.8f), Humidity: +- 5%rh (40%~80%) Storage Condition: -20c~60c, 20~80% Battery Include Dimension: 10cm*10.8cm*2cm(approx)