... and safety. Nonradiative with environment friendly. 30inch-110inch size. Customized size is available.This Optical touch product that include the CCD lens ... ,FCC Class B,EN55022,EN55024,CISPR22,CISPR24InterfaceUSB 1.1 (full speed)Operating systemWinXP, Win7, Win8, Vista, Linux, ... Mac OSBasic functionsClick, double click, mouse function of right key and left key, etc. Package inside1set touch ...