Green laser pointers have been used as a pointer during lectures and class discussions, building surveys and all kinds of examples where very clear pointers or long pointers are needed. Astronomers, both professionals and amateurs, also use the same equipment because of their high visibility at night which helps them in their research. This has many practical uses for professionals and has become a trend that must be owned by young people.
There are different colors and different output power for laser pointers, but nevertheless a green laser pointer may appear to be the clearest color because it is the brightest color in the spectrum of light in the human eye. This pointer at 532nm works better in the dark and has continuous light at a distance of 80 miles. (Wow) Not only is this fun to use in parties and other celebrations, it can also help in SAR (Search and Rescue) operations, imagine yourself lost in the forest or in the sea without light, a green laser pointer can easily be seen in miles because of its visibility amazingly from 80 miles, this laser can also ignite small fires and some models that can be recharged which only means long-lasting batteries.
So it should be noted that a green laser pointer provides relatively much infrared radiation but a better product has a built-in filter. Some cheaper model fabricators do not want additional expenditure on filter making so they don’t include it. I would suggest that you pay less and get it with filters, for the sake of your own eyes and those of others.
Whatever you buy, do your homework and check the price range. There is a fair amount of variation in price and product excellence so it is best to look at all the items that are available, or as many as you can, and decide what will give you value for money.