... screen, interactive whiteboard. And supports OEM large quantities.This multi-touch frame is made with the advanced optical imaging technology ... network on the surface, when some point of the surface was touched, this touch point was recognized. The working principle ... 5.25V standard: +5VDC working current: <400mA Power: <1WCalibration9 point ESDIEC61000-4-2:level4, contact discharge 8 kV, air discharge ...