84″ 4K Giant Multitouch Screen with ShadowSense By Staff Writer | May 6, 2014 0 Comment Link The 84″ 4K ShadowSense TouchScreen. This screen with its enormous 84″ crystal clear screen, and multitouch technology is the perfect addition to any retail space… Craig Keefner‘s insight: Wow… See on vimeo.com PostCounter: 3