Welcome to buy the control board cover suitable for the Antminer S19 series, also called the IP button cover. It is only used to protect the important interface of the control panel, which mainly includes the SD card interface, IP Reporter button, network interface, reset button, and indicator light. Due to the different models of control boards, the cover plates are also different. Therefore, please pay attention to distinguishing the model of the control board. Please check the picture carefully before purchasing or contact sales for specific details.