BUY EE-SX4009-P1 https://www.utsource.net/itm/p/5884388.html
Photomicrosensor (Transmissive)
Description: EE-SX4009-P1 is a DIP-type photoelectric sensor manufactured by Guangpuyuan. Features: This sensor has a built-in amplifier, a wide range of operating voltage, a high response speed, and a long sensing distance. It is also highly reliable and resistant to interference. Applications: EE-SX4009-P1 is suitable for use in a variety of applications, including object detection, presence detection, and position detection. It can also be used in automation systems and industrial control systems. (For reference only)