EEEKit Digital Hygrometer Thermometer, Black Round Mini Indoor Outdoor Humidity Temperature Meter Gauge Detector for Humidifiers Dehumidifiers Greenhouse Basement BabyroomCategory: Round Digital HygrometerPackage Includes: 1 x Hygrometer Thermometer. 30 Day Money Back Guaranteed! 12-month free replacement warranty for manufacturer's defects! Product Description WIDE USAGE: Applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places equipped with air condition, etc. INDOOR HUMIDITY MONITORING: 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. HIGH RELIABILITY & ACCURACY: 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). EASY READ & OPERATION: 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. 100% SATISFACTION GUARANTEED: Contact easy. By visiting us to chat, send us email or call us directly. Return easy. If, for any reason, you are unsatisfied with your purchase, you may return it in its original condition within 60 days for a refund. Product Features: Measuring humidity range :10%~99%RH Measuring humidity accuracy:± 5% Humidity display resolution: 1%RH Measuring temperature range :0°c to 50°c Measurement temperature accuracy: ± 1°c Temperature display resolution: 0.1°c Install panel hole size: D42mm Operating Voltage: 1.5V, one button cell size LR44 Material: PVC plastic Size: 1.7in x 1.7in x 0.5in / 44mm x 44mm x 15mm Weight: 0.6oz / 16g NOTE:There is a button in the back that you can access with a paper clip, which will toggle between C and F.