LightCast Wireless Adapter Key Plug this USB drive into your LightCast-ready display device to enable its LightCast features, such as wireless screen sharing, interactive whiteboard and web browser. - For a LightCast-ready display or projector only (including INF4030, INF6501w, INF6502WB, INF6502WBAG, IN1116, IN1118HD and IN2120x Series - USB key cannot be used with multiple LightCast-ready displays (one key per display) - Cast your device's screen wirelessly to the display via MiraCast (on most Windows and Android devices) or Airplay (Apple devices) - Turn on the display's web browser capabilities and enhance its built-in whiteboard capabilities