Smart Digital Thermometer HygrometerMini digital humidity thermometer thermometer allows you to easily know the environment temperature and humidity around you. Temperature Measuring Range Measurement Range of Temperature: -50~70. Accuracy of Temperature measurement:1.The measure conditions refresh every 10 seconds. Humidity Measurement Accuracy The indoor/outdoor humiditys measurement range: 10%RH-99%RH. The deviation accuracy of humidity measurement: 5%RH. Small & Long Battery Life-This hygrometer thermometer ( 4.3*4.3*1.3 cm, weights only 21 g.) small, durable and portable enough for saving space and carrying around. Powered by CR2032 (battery included), battery working time up to 12 months. Widely ApplicationThermometer hygrometer can be applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places equipped with air condition, etc.