Digital Thermometer HygrometerDigital Room Thermometer feature 3 types of smile icons allows you to easily know the environment temperature and humidity around you. So you can inform yourself about action needs for room. Accurate and Fast RespondIndoor thermometer hygrometer temperature measurement range: -40-60-40-140F, temperature measurement accuracy: +/-1.0. Humidity measurement range: 10%-90%, humidity error: 2%-3%. Measurement conditions are refreshed every 10 seconds. Mini & Simple Design This room hygrometer thermometer ( 5.8*4.5*1.8 cm, weights only 65 g.) small, durable and portable. Easy to read the LCD display without operation. Easy to use and installDurable kickstand and strong magnets allow you to position it where they should be. The off// switch gives you more freedom to choose On or Off, Celsius degree or Fahrenheit degree. the humidity level indicator shows you a quick view of air condition, wet, okay or dry. Widely Application: Thermometer hygrometer can be applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, humidor, guitar room and freezers, schools, factories and places equipped with air condition, etc.