Suitable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshops, libraries, factories, and other places with air conditioning. This portable hygrometer thermometer measures indoor humidity and temperature in real time, helping to adjust humidifiers, dehumidifiers, and humidistats. Ideal for monitoring living conditions and supporting health by helping prevent colds, dry skin, asthma, and mold growth. Fast response with readings updated every 10 seconds, featuring 24 sensitive vents for accurate and reliable performance. Wide measurement range: temperature from 0.0° to 50.0°C, humidity from 10% to 99%. (Please allow for a small margin of error.) Clear LCD display for easy reading, even from a distance. Humidity measurement accuracy: ±5% RH Humidity display resolution: 1% RH Temperature measurement range: 0°C to 50°C Temperature measurement accuracy: ±1°C Temperature display resolution: 0.1°C Color: Black Material: ABS Package Contents: 6 x Hygrometer Thermometer Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting reflections and differences in display screens may cause slight variations in the color of the product as shown in images. Measurement error allowance: ±1–3 cm.