There are many different words about the laser pen, there are many different types of blue laser pointer, what kind of laser pen is the best?To get replacements meant returning the most faulty items and then waiting for replacements. Even testing the ones I have, and retesting, the strength of the beam can vary wildly from use to use. Sometimes taking out the batteries and putting them back, or shaking very lightly, or simply holding the button longer ends up with a stronger beam, but not always. Of course, everyone's ideas are not the same, some people say that good-looking is good, some people say that the higher the price the higher the better output power and so on.But I think it is the best for their own.Here’s some fun to have on the cheap if you happen to have a laser pointer handy when you spot a big, hairy spider. Poor quality control - besides the 2 that were bent in transit (I assume) there were 7 with obviously weaker beams and 5 that were either so tiny as to be useless or no light at all.
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