Measurement range Temperature range: -50~70 (-58F~158F), Accuracy: 1.0. Humidity range: 10%RH ~ 99%RH, accuracy: 2%RH~3%RH. Upgrade: Long press [ALL TIME/24 HRs] to clear historical data. MIN and MAX records The thermo-hygrometer has MIN, MAX, temperature and humidity record functions. providing you with the temperature and humidity recorded in the last 24 hours. Comfort level indicator Dry, comfortable, humid. Temperature display: C/F selectable. Thanks to the built-in sensitive sensor of the thermometer and hygrometer, the reading is automatically updated every 10 seconds. Easy to place The hygrometer thermometer can be placed on the table with a stand, or hung on the shelf with a hook, or attached to the refrigerator with a magnetic back. Package Included You will receive 1 PC of Room Hygrometer Thermometer with battery inside, suitable for refrigerators, bedrooms, restaurants, bars, offices, greenhouses, warehouses and other occasions.