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Tell you the actual power of “1000MW” green laser pointer

by Laser Explorer Posted on 332 views 0 comments
One day,you want to buy a 1W laser pointer,and then buy one which marked 1W.However,when you take it excitedly and play it,found it is not as good as you have seen on the forum before, and the light beam is not so bright.It’s a great disappointment to you.I should tell you most of the laser ...
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