OPBL3528-30012SP is a part of the Optoflash series of optical encoder solutions from Optoflash. This part is designed to provide high resolution testing and customer feedback. It is a miniature LED illumination circuit, with a total LED output of 300 lumens. The high precision ball bearing construction is designed to fit a wide range of applications, while providing robust and reliable feedback. The product is IP44 rated, making it suitable for outdoor use. Additionally, it features an adjustable power output, allowing for flexible illumination levels. It also includes optional digital input, output and PWM signalling for customer feedback and setup.