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Ok so im looking to get a laser and i came across Tmart. I was just wondering if anyone on this site has purchased any lasers from there. The prices seem almost to good to be true compared to other sites ive seen. And i was just wondering what yall had to say. thanks

how many MWs does it take to see all of beem like you see in pictures? my friend has a green laser im not sure how many MWs it was but it was really cool lol now i want one and i was just wondering what kind of power i would need to be able to see the beem completly like you see in the pictures...