... PC by USB cableStandard Infrared spectrum of polystyrene filmtransmissivity% Wave rangeWave rangeDistinguish abilityTransmissivity ... absorption, single light)Gap programResponseWork modelExtension of X,Y axisFive options (very wide, wide, normal ... , narrow, very narrow)Very fast, fast, normal, slowContinuous, repeated, regular waveAllPicture of Accessories of ...