eBUS Button Panels - US Gang The EBP 50, EBP 100, and EBP 200 are single, two, and three-gang eBUS button panels with dual-colored customizable buttons. On this page: EBP EBP NewEBP 50 eBUS Button Panel with 6 Buttons - US Single-Gang EBP 100 eBUS Button Panel with 6 Buttons - US 2-Gang EBP 200 eBUS Button Panel with 10 Buttons - US 3-Gang