... excluding the central board or glass, this is the good solution for saving the shipping cost. As it main ... , Linux, Mac OSBasic functionsClick, double click, mouse function of right key and left key, etc. Package inside1set touch frame, 1set ... manualCertificatesCE, FCC, ROHS. Warranty 2 year parts and technical support Optical multi-touch by finger, normal pen and other object (30inch -110inch size)