50mw 532nm Astronomy Powerful Green Laser Pointer

alaTest has collected and analyzed 42 user reviews of 50mw 532nm Astronomy Powerful Green Laser Pointer from Amazon.com. The average user rating for this product is 3.6/5, compared to an average user rating of 4.1/5 for other products in the same category on Amazon.com. Reviewers really like the durability. The price also gets good reviews.

I found that the On/Off switch did not seem to make a full contact when pressed after several uses. As a result, the beam was not as strong as it was when I first tried the pointer. I'll try changing the batteries to see if that's the problem.