Elo, the original inventor of touchscreen technology, today expanded its interactive digital signage (IDS) portfolio with the new 5501L 55-inch touchscreen. Designed for retail, hospitality, education, corporate meeting rooms, office lobbies and other commercial applications, the 5501L interactive touchscreen combines a big, bright, and energy-efficient LED High Definition display with optical multi-touch technology in a slim, integrated package. Optional integrated Intel Core i3 or i5 computer modules running Microsoft Windows turn the touchscreen into a touchcomputer. The rugged design of the 5501L offers retail solutions providers a reliable, high-performance touchcomputing platform that is easy to deploy and maintain in public environments.