... : choose the most advanced surface acoustic wave screen, resolution : 4096*4096, single-point touch: 50 million times. The response is more rapid ... , Maos hardness test is 7-grade. Display: choose 20.1-inch LCD panel, Resolution(pixel) WSXGA: 1680 x 1050, Aspect Ratio ... : 8001, Visual Area: 433.4 x 270.9, Pixel Pitch: 0.258mm, View Angle: 160/160 (horizontal/vertical), Response time: 5ms. Power ...