1.working principle:optical imaging technology

2.touch accuracy:±2.4mm

3.response speed acuities:≤6ms

4.sample rate:180ppi/sec

5.resolution:32768 x 32768

6.PET mask,free from glare,no flare,high contrast and color,solid&reducing wear,smooth writing

7.without Electromagnetic radiation,touching operation,don't need special pen,don't need batteries,available pointer interactive operation

8.support operating system:XP / 2003 / VISTA/windows7