High resolution LCD display: This is a digital meter that can display temperature and humidity simultaneously. A large LCD display with large digits makes it easy to read.Wide Measuring Range: Temperature Measurement Range: -50C to 70C with an accuracy of 1C; Humidity measurement range: 10%RH~90%RH with 5% accuracy.Application Occasion: The round digital thermometer hygrometer can be widely used to measure temperature and humidity in homes, babys room, offices, workshops, schools, markets, warehouses, etc.Battery installation: Switch on the back of the product; Push the battery compartment cover in the direction indicated by the arrow. Put the button cell batteries in the battery compartment. Powered by 1*LR44 battery.Quality Assurance: Customer service team will spare no effort to help you within 24 hours Product Description Portable and easy to carry with its small size. High quality plastic material make it temperature durable to useSpecifications: Material: plastic Size: 45*15.5mm Color: black Temperature scope: -50 - 70 Humidity Range: 10% to 99% Temperature Accuracy: 1 Humidity Accuracy: 5% RH Humidity Resolution: 1% RH Power supply: Requires 1*LR44 Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Product List: 1 * Round Digital Thermometer Hygrometer.