Electronic Thermometer Hygrometer Humidity Gauge, Indoor Thermometer for Home, Office, Bedroom, KitchenHigh Accuracy and Fast Refresh RateWide measuring range that measures temperature from -20℃~70.0℃. Humidity sensor measures humidity from 10% to 99% RH. The indoor thermometer has a high accuracy of ±2~3%RH and ±1°F, making it ideal for measuring fluctuating readings, such as in a greenhouse. Measurement data is updated every 10 seconds to give you the latest environmental changes.Smart DesignMultiple mounting options for this ambient temperature thermometer with humidity gauge, including magnetic attachment, table stand, and wall-hanging design; place it anywhere you want. °F/°C selector on the back; powered by 2 AAA batteries (not included).Healthier Home & EnvironmentThermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefits; can also be used as a refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer and more. Specifications: Dimensions: 79*58*22mm Functions: Detect temperature and humidity Included accessories: Electronic thermometer hygrometer*1, user manual*1 Degrees Celsius or Fahrenheit:There is a button on the back to switch between Celsius and Fahrenheit.