Well, in the beginning it was a very bright dot and i saw the beam in dark places
but after some hours i had a very small dot and no beam in dark places
then i putted it in the freezer and it was a very bright dot again but after 5 secs.. weak
so, it got brighter when putting it in the freezer...
Hey, i just registered to ask you guys for helping me out.
So, i have a problem. I bought a 20mW green laser pointer from Laserpennen.com, Uw laserpen specialist! (it's from the Netherland, i live in Belgium)
here's the link : kaleidoscopische 20mW groene laserpen [20MW GRN KALEI1] - €24,95 ...