20Pack Hygrometer Thermometer Digital LCD Monitor Humidity Meter Gauge for Humidifiers Dehumidifiers

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 10% to 99%. (Please allow for a certain amount of error)
Temperature range is Celsius only on this model, bright and black front panel with a clear LCD display, easy to read even from a far distance.
Measuring humidity accuracy: + 5%

Humidity display resolution: 1%RH
Measuring temperature range :0°c to 50℃ Celsius
Measurement temperature accuracy: + 1℃ Celsius
Temperature display resolution: 0.1℃ Celsius
Install panel hole size: D42mm
Operating Voltage: 1.5V, one button cell size LR44
colour:Black
Material:Plastic shell ABS
size: 45*15.5mm

Package Contents:
20 *digital hygrometer
20 *Button Battery

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.