Smart Digital Thermometer HygrometerWith the mini digital humidity thermometer thermometer, you can easily know the temperature and humidity of the environment around you. Temperature Measurement RangeTemperature measurement range: -50~70. Temperature measurement accuracy: 1. The measurement conditions are updated every 10 seconds. Humidity Measurement AccuracyIndoor and outdoor humidity measurement range: 10%RH-99%RH. The accuracy of the deviation of the humidity measurement: 5% RH Small and Long Battery Life- This hygrometer thermometer (4.3*4.3*1.3cm, weighs only 21g.) Small, durable and portable enough to save energy, save space and to transport it. Powered by CR2032 (battery included), battery lifeBattery life up to 12m Wide ApplicationThe thermometer hygrometer can be used for home, office, car, schools, hotel, laboratory, kindergarten, aquaculture, instrument workshop, library, school,Factories and places with air conditioning, etc.