Applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, factories, and places equipped with air conditioning. This portable hygrometer thermometer measures indoor humidity and temperature in real time, helping to adjust humidifier, dehumidifier, and humidistat settings. Ideal for monitoring living conditions and supporting health by helping prevent colds, dry skin, asthma, and mold growth. Fast response with measurements updated every 10 seconds, featuring 24 sensitive vents for accurate and reliable readings. Wide measurement range: temperature from 0.0° to 50.0°C, humidity from 10% to 99%. (Please allow for a certain amount of error.) Clear LCD display, easy to read even from a distance. Humidity measurement accuracy: ±5% 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: Light reflection and different displays may cause slight variations in the color shown in the image compared to the actual item. Measurement error allowed: +/- 1-3 cm.