This Banner T18SN6LPQ EZ-BEAM T18 Series Polarized Retro Sensor has never been used before. It has the ability to detect targets up to 2 meters away and is equipped with NPN technology. The sensor also comes from a trusted brand, Banner, which is known for producing high-quality industrial automation and motion control products. Its polarized retro design ensures accuracy and precision in detecting targets. This sensor is an excellent addition to any workplace or project that requires reliable sensory technology.