The 1139129 is a high-performance photoelectric sensor engineered for precise non-contact object detection in industrial environments. Designed in the reliable WLA4SP series with a rugged Plastic, VISTAL® housing, this sensor features photoelectric retro-reflective sensor - without reflector minimum distance (autocollimation/coaxial optics) detection technology with an impressive sensing range of 0 m ... 4 m. Equipped with a Digital output and Cable with connector M8, 3-pin, 110 mm connectivity, it offers a dependable solution for your automated manufacturing systems.