All the features of the HD223 plus additional interactive options via USB2.0 (type A), serial and IR to fully engage your audience.<br> You’ll never be lost again, with BrightSign HD powering your interactive wayfinders using HTML content, USB touch screens as well as serial and IR commands to present the right information to the right audience.<br> Use BrightWallTM and 4K upscaling to create stunning video walls with frame-accurate synchronization.