... education industry, exhibitions, training, hotels, government information search, and many other applications. Infrared touch technology, improved product life ... holes to facilitate customer applications; provide USB, serial dual interface, user-friendly connection;Model Number: LBM-22LCase Color: ... Typical ) Response Time:<6msContrast :1000:1Viewing AngleHor(L/R):170°(85°/85°) Ver(U/D):170°(80°/80 ...