Applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places equipped with air condition, etc. This portable hygrometer thermometer Measures Indoor humidity and temperature in time, help to adjust the humidifier, dehumidifier settings and humidistats, great for monitoring family's living conditions and health by preventing colds, dry skin, asthma, mold. Fast response that measures every 10 seconds with 24 sensitive VENTS to provide updated and accurate readings, wide measuring range that measures temperature from 0.0 to 50.0, measures humidity from 10percent to 99percent . (Please allow for a certain amount of error) Clear LCD display, easy to read even from a far distance. Measuring humidity accuracy: + 5percent Humidity display resolution: 1percent RH Measuring temperature range: 0c to 50 Measurement temperature accuracy: + 1 Temperature display resolution: 0.1 Colour:Black Material:ABS Package Contents: 6 x meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.