High-Resolution LCD Display: This digital meter simultaneously displays temperature and humidity. A large LCD screen with oversized digits makes it easy to read. Wide Measuring Range: Temperature range: -50°C to 70°C with an accuracy of 1°C; 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, nurseries, offices, workshops, schools, markets, warehouses, etc. Battery Installation: Turn on the switch on the back of the product; Slide the battery cover in the direction indicated by the arrow. Insert the button cell batteries into the battery compartment. Powered by 1*LR44 battery. Quality Assurance: The customer service team will do everything to help you within 24 hours. Product Description Portable and easy to carry with its small size. High-quality plastic material makes it temperature resistant to use!!! Specifications: Material: plastic Size: 45*15.5 mm Color: black Temperature range: -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 difference in light and screen settings, the item's color may be slightly different from the pictures. Please allow a slight dimension difference due to different manual measurements. Product list: 1 * Round digital thermometer hygrometer.