The OPB810W51Z is a wide slotted optical switch designed for precise sensing and detection applications. This model features an opaque shell for added durability and wire leads for easy installation. The sensor aperture is 0.01" and the emitter aperture is 0.05", ensuring accurate and reliable operation. With its robust construction and high-quality components, the OPB810W51Z is an ideal choice for various industrial, commercial, and consumer electronics applications.