What is the baby's room temperature and humidity meter?

Baby's room temperature and humidity meter widely used is a kind of mechanical temperature and humidity meter, a temperature and humidity of the dial, can measure the temperature and humidity inside the bedroom at the same time. Because of the mechanical principle, also won't like glass rod thermometer has fragile and the danger of mercury pollution, ensure the healthy growth of the baby. Behind with mounting holes, can use hang on the wall. Baby's room temperature and humidity meter is composed of temperature and humidity part combination instrument one-piece temperature and humidity, temperature section for bimetallic thermometer, humidity parts for mechanical hygrometer. In addition to daily family application, it is also applicable to the lab, computer room, warehouse, workshop and other indoor environment temperature and humidity measurement.