It meets the strict requirements of the packaging industry. The infrared light used is harmless and poses no danger to the eyes. System operators can choose between two models: The LS25CI.XR1 High Power can shine through dark films as well as identify individual transparent films. The light barrier's power can be conveniently configured via a potentiometer. For even tougher requirements, customers reach for the Superpower LS25CI.XX: it can screen metallized and dark-colored films, even if they are multilayered. The receiver works with both transmitter models. The sensitivity of the receiver can also be adjusted quickly and intuitively via potentiometers.