1.Sufficient quantity: here are totally 12 pieces round shaped humidity temperature meters in classic color, sufficient enough for satisfying the temperature and humidity detection in your daily life2.Create a comfortable living condition: this electronic digital humidity gauge monitor can quickly and accurately measure the indoor humidity and temperature, and it will measure every 10 seconds, thus you could adjust the humidifier and dehumidifier settings according to the measurement, providing you a comfortable living environment3.Measurement range: this mini hygrometer thermometer could precisely measure the humidity with high measurement accuracy, you will know your living condition at any time4.Universal applications: these LCD display indoor humidity temperature meters are practical to detect both of temperature and humidity around you, suitable for families, school, office, baby's room, greenhouse, basements, cellars, laboratory, garden and other places