... . RioTouch L series is the latest developed infrared touch screen, its slim frame can match completely the monitors or displays in ... visual appearance of whole device. Unlike most other technologies, the Infrared based design offers superb image clarity. The original image quality ... finger, with or without glove or a pen.Touch Technology: Infrared TouchAvailable size: 32",37",40", 42", 46", 47", 50", ...