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I am using this specifically to check Tyndall Effect when making colloidal silver, and to this end it works perfectly—and at such a reasonable price. The bonus “light show” cap is lots of fun at night too!
Verified purchase: Yes | Condition: New
worked alright for a few minutes, then the button (which already required a lot of force to trigger) stopped working most of the time. It's a real shame, because without the button issues, this would be a great little laser for its price.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
As stated above.
Verified purchase: Yes | Condition: New
Hi, I got the package, I'm sorry, this is not a strong military, it's weak does not light up far
Verified purchase: Yes | Condition: New