Detailed Product Description 1)infrared sensors2)photoelectric sensors3)beam detectorItemReflective type infrared detectorDetection wayNear infared ray reflecting wayMax .mounting height3mSensitlvlt adjusting functionYES(with sensitivity knob and dip switch selection)Varlable range of the detection areaMicro adjusing angle 0-10,detection wide 1rank-4rank ,Dip.switch setting.detection range ...