touch screen overlay 1. True Multi-Touch, No Ghost Point: 2. Support 6/10/16/32/40 Precise Touch Points Simultaneously touch screen overlay N SeriesMulti-Touch Overlay• True ... EN55022, EN55024, CISPR 22, CISPR24Interface USB2.0 compatible with USB 1.1Operating Systems Windows 7/8, Vista, XP, Mac OS X, LinuxConnection ...