... ,durable,scratch-proof,excellent performance,sizes from 6" to 100" available.... Infrared touch screen L-series:L-series touch ... proof, water proof, dust proof, sunlight operability present the IR touch screen an ideal choice for interactive presentation, classroom whiteboard ... 40, 42, 47, 50, 60, 63, 65, 72, 84, 100 inch available Benefits: Faithfully preserves original image clarity minimum or ...