It has a descent brightness to it. It does suport Dual beams which is always fun to play with. Also, the design was surprisingly sleek and it came with a case. Th green light seemed to beam blinking at a high rate instead of a steady beam like most lasers. As other have said, Using both lasers at the ... Read more
This pen style laser is eminently suitable for making your own yellow laser at a fraction of the cost of the real thing.
It is plenty bright enough to use for presentation purposes. Eats batteries and they are not that easy to source.
On my one the divergance of the 2 beams was acceptable, not too sure ... Read more
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