Photocell proximity sensors have numerous advantages, large and less complicated devices throughout several markets. Second of all, they are very precise as well as reputable. This in turn provides for an accurate readings, and that reduces the chances of making a mistake on critical operations Further these sensors come with high response time: hence work load is decreased shortening process times which enhances productivity. Finally, there is practically no wear and tear (even if much equipment) since touch does not take place. With it the expenses are lower and its useful life is greater. Also, photoelectric sensors are suitable for a variety of materials and colors; it does not require specific color or texture to detect. This type of manual operation is very useful for manufacturers who are in search of better efficiency in the production processes without compromising on quality.