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 health by helping prevent colds, dry skin, asthma, and mold. Fast response with measurements every 10 seconds, featuring 24 sensitive vents for accurate and updated readings. Wide measuring range: temperature from -50°C to 70°C, humidity from 10% to 99% RH. (Please allow for a certain amount of error.) Temperature display in Celsius only on this model. Bright black front panel with clear LCD display, easy to read from a distance. Equipped with a button on the back to switch between Fahrenheit and Celsius. high quality. LCD digital display. Embedded installation design. Measuring range: temperature -50°C to +70°C (-58°F to +158°F), humidity 10% to 99% RH. Measurement accuracy: ±1°C (±2°F) for temperature, ±5% RH for humidity. Display resolution: 0.1°C (0.2°F) for temperature, 1% RH for humidity. Humidity sampling cycle: 10 seconds. Rated voltage: DC 1.5V (1 x button battery). Color: White. Material: Plastic. Package Contents: 1 x Digital Thermometer Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement error allowed within +/- 1-3 cm.