I have done reviews for laser pointers, which are mostly used for entertainment, astronomy stargazing or research, or business presentation etc. Pro red cross laser alignment concentrates on function development in practical operation fields such as woodworking and stone machinery, towel printing, cutting, vertical align and position in building construction etc. Owing to its employment of 650nm red laser diode, it is able to provide two perpendicular red lines accurately and precisely on targeting spaces.
On considering of potential danger might be caused by powerful laser radiation or laser reflection, professionals of laser alignments always required operators to wear laser safety goggles. Usually laser safety goggles should be correctly chosen with perfect 650nm red laser wavelength prevention. In addition, red cross laser alignment should only be used in industrial field, any kinds of abuse such as pointing at eyes or skins of other people, moving vehicles, or aircrafts are not allowed. Just let this laser gadget to be a tool in possible industrial application, but not a toy.