What are the functions of a screened room?

To prevent electronic devices from being affected by direct or indirect lightning strikes and other strong electromagnetic interference sources, which can cause the devices to malfunction or fail to operate properly. At their worst, such disturbances can damage electronic equipment within the server room. On the other hand, when people watch TV or use computers during thunderstorms, they may experience image flickering on TVs and computers, all of which are caused by electromagnetic interference from lightning.