This large-scale digital thermometer and hygrometer is widely used in homes, dormitories, computer rooms, warehouses, offices, hotels, hospitals, plantation greenhouses, warehouses, incubators, nutrition rooms, laboratories, air-conditioned vehicles and other places. The temperature and humidity in the environment can be checked at any time. Compared with the traditional temperature and humidity meter, it has the characteristics of convenient reading and eye-catching display. Moreover, the silver appearance is elegant and beautiful, and it is also a good gift for relatives, friends and customers today.