The Banner OTBVR81QD is a robust opposed-mode photoelectric sensor designed for reliable long-range object detection in industrial environments. It features a retroreflective-style housing and operates on 2-wire AC/DC input, making it compatible with a wide range of control systems. The sensor uses an infrared beam for strong immunity to ambient light and includes a quick-disconnect (QD) connector for fast installation and maintenance. Key Features: Opposed-mode sensing for long-range detection Infrared beam with excellent background immunity Retro-style plastic housing for versatile mounting 2-wire AC/DC operation (universal voltage) Quick-disconnect connector for simplified wiring Ideal for harsh or high-vibration installations Applications: Conveyor and material handling systems Gate or access control detection Industrial door and panel automation General-purpose object sensing in factory environments