... Board can transforms your standard whiteboard,flat surface,projection screen,PDP,LCD,rear projector display and etc.into ... calibration deviation <2mm Support screen size 19 inches - 400 inches (adaptive screen size) Support display ratio 4:3/16:9 (adaptive every ... system The projector, LCD TV, LCD monitor Interactive media Screen, metope, ordinary whiteboard, peritoneal glass, paperboard etc soft ...