Retroreflective sensor RL28-54-G-Z/47/116 RL28-54-G-Z/47/116 Detects transparent objects, such as, clear glass, PET, and transparent films TEACH-IN switch to set contrast detection levels Automatic adjustment in case of soiling in contrast detection mode Extremely bright LEDs for power on, weak signal indication, and switching state Flashing power on LED in the event of a short circuit Not sensitive to ambient light, even with energy-saving lamps Time element off-delay Waterproof, protection degree IP67 Protection class II