BUY 500MW LASER

If you want to buy 500mw laser, first of all, you need to decide which type of 500mw laser can meet your needs. Green 500mw laser， red 500mw laser, violet 500mw laser, blue 500mw laser and infrared 500mw laser.  The most expensive are blue 500mw laser and green 500mw laser. You can't buy a green 500mw laser with less than $500, and the blue 500mw laser is even more expensive than green 500mw laser. Some sellers are selling green 532nm 500mw laser for $98, it's not real 500mw laser, maybe it's just 50mw. And the cheapest 500mw laser is infrared 500mw laser, such as:

http://www.armlaser.com/page.html?chapter=2&id=28