The benefits of the photoelectric eye switch to potential clients are too obvious and significant. Firstly, it can enhance the safety by locking the door or machine control equipment only when a photoelectric eye has detected an objet so that this danger be reduced to zero. Second, it can drive efficiency improvements. This is as a photo electric eye can control accurately the motion of materials through production-lines and means by which persons enter or leave buildings. Finally, it can be used in extreme conditions and without the need for annual maintenance repairs; however alternative control methods had to be replaced years after purchase The photoelectric switch was a good buy by anyone seeking additional safety features and efficiency.