... , FCC, RoHs certification 2. supports 2 finger touch in windows7 3. waterproof, dustproof,scratchproof FeaturesDust and ... light spots;High durability and quick response to touch of any opaque object;Wide range of ... Voting machine;In vehicle and transportation;Technical specification Touch methodFinger, pen or any opaque object;Accuracy1 mmTouch ... ,CertificationsCCC, CE, ROHS 19" 16:9 infrared touch frame