Actiontec Screen Beam USB Transmitter (SBWD100TX01) For use with Actiontec's Screen Beam Pro (SBWD100A01) and Windows 7/8 devices that do not currently support wireless display. Allows nearly every Windows-based laptop to mirror/extend its screen to HD projectors and HDTVs. No restrictions to specific services, sites or browsers. Perfect for corporate environments with multiple users and a mix of different laptops. ScreenBeam Transmitter is easy to add to existing ScreenBeam Pro setups.