Check the listing for details. Chief WM2I interactive short-throw upgrade kit w/ wmiusbb/e Luidia eBeam. Condition: New – Open box. Listed at 299.99 USD. Chief WM2I interactive short-throw upgrade kit w/ wmiusbb/e Luidia eBeam New old stock, open box, packaging shows signs of wear. Item Discontinued. Chief WM2I OverviewThe Chief Upgrade Kit for Interactive Projector Wall Mount (with Lens Shift) contains interactive software with eBeam technology that allows you to create interactive presentations on a projector. You can annotate and create interactive spaces between 48 to 94" (diagonal) (121 to 238 cm) on the screen. It is compatible with short throw projectors. The mount features a clamshell cover design and can be installed quickly. Contains interactive software with eBeam technology that allows you to create interactive presentations on a projectorYou can annotate and create interactive spaces between 48 to 94" (diagonal) (121 to 238 cm) on the screenCompatible with short throw projectorsClamshell cover designFast installation