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Thanks for the welcome I saw my friend had a laser pen, that he got from South Asia on a trip. It was very bright and had a visible beam at night. I was amazed. I bought my own laser, a yl-301 laser. It is bright with a visible beam at night, and can burn black things when focused. Then, I bought a 2 dollar laser pen with a starry cap to play around with, but it wasnt very bright... so I tried taking it apart to pot mod it. I broke it into pieces trying to get the module and driver out. The module is still in the pen, glued in with some indestructible material they probably use to hold rockets together or something. Now I am waiting for my next two to come in the mail, a 405nm and a 100w 303 pen. Can't wait for them to come