PS-FT3-NDB2-PHOTO FLAT T 1M NPN D 2M 20.The PS-FT3-NDB2-PHOTO FLAT T 1M NPN D 2M 20 is a tiny, high-performance photoelectric sensor developed for industrial automation. With a 1-meter detection range, 2-meter cable, and space-saving 'Flat T' design, it's the ideal choice for accurate detection in compact locations.