Suitable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places equipped with air conditioning, etc.This portable hygrometer thermometer measures indoor humidity and temperature in time, helps to adjust humidifiers, dehumidifiers and humidistats, perfect for monitoring family living conditions and health by preventing colds, dry skin, asthma, mold.Fast response measuring every 10 seconds with 24 sensitive VALVES to provide updated and accurate readings, wide measuring range measuring temperature from 0.0 to 50.0, measuring humidity from 10 to 99. Please allow a certain margin of errorThe temperature range is only Celsius on this model, bright and black front panel with a clear LCD screen, easy to read even from a long distance.Humidity measurement accuracy5Humidity display resolution 1RHTemperature measurement range 0c to 50 CelsiusTemperature measurement accuracy1 CelsiusTemperature display resolution 0.1 CelsiusInstallation panel hole size D42mmOperating voltage 1.5V, one button cell battery size LR44Color BlackMaterial Plastic shell ABSsize 4515.5mmPackage contents5digital hygrometer5Button battery