New LCD Digital Temperature Humidity Meter Thermometer Temperature range: -50~ + 70 ?C ( -58 ~ +158 ? F ) Humidity range: 20%25~99%25RH Temperature: 0.1 ?C ( 0.1? F) Humidity: 1%25RH Temperature : 1 ?C ( 1.8 ? F ) Humidity : 5 RH ( 40%25 ~ 80%25 ) Power supply: 1.5V ( AAA size ) X 1 Storage condition: -20 ?C ~60 ?C , 20~80%25RH