Recently, there will always be news on the Internet or on TV that rains have fallen in a certain area. Residents need to go boating. Extraordinary heavy rains not only cause a lot of inconvenience to people’s travel, but also may cause some LED display manufacturers’ warehouses. Water inflow causes water in the display screen body. In response to this phenomenon, what measures should LED display manufacturers for MRV 300 take in the face of water in the screen body? Let’s explain the solution of water in the LED display screen.