1. Optical multi-touch 2. Touch by finger, ... And supports OEM large quantities.This multi-touch frame is made with the advanced optical imaging technology in ... commend centers, board rooms, etc. Features: Support multi-touch by pen, finger, and other opaque object. ... connector pinsEMCCE,FCC Class B,EN55022,EN55024,CISPR22,CISPR24InterfaceUSB 1.1 (full speed)Operating systemWinXP, Win7, Win8, Vista ...