... optical imaging multi-touch frame is special designed for large display screen, interactive whiteboard. And supports OEM large quantities. ... centers, board rooms, etc. Features: Support multi-touch by pen, finger, and other opaque object.Faster response and higher ... ,FCC Class B,EN55022,EN55024,CISPR22,CISPR24InterfaceUSB 1.1 (full speed)Operating systemWinXP, Win7, Win8, Vista, Linux, Mac OSBasic ...