... screen, interactive whiteboard. And supports OEM large quantities.This multi-touch frame is made with the advanced optical imaging technology ... and education, commend centers, board rooms, etc. Features: Support multi-touch by pen, finger, and other opaque object.Faster response ... discharge 8 kV, air discharge 15 kV on USB connector pinsEMCCE,FCC Class B,EN55022,EN55024,CISPR22,CISPR24InterfaceUSB 1.1 ...