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;) The black cd case won't affect the result？ For example, the material and thickness. But it's really a good idea, if I have other laser, I will try.

Yes, I will buy more laser pointer. WAVELENGTH 532nm The battery is UranusFire, LC 18650 2400mAh, 3.7V Li-ion.

I will read that. Laser is really dangerous. Thank you.

:) Yeah, I'm a novice, I want to know his power is my first idea. Thanks

Here is my laser and my question. :) http://laserpointerforums.com/f45/how-test-my-200mw-laser-58064.html#post821208 I totally agree with you. I bought a DELL Vostro 1088. The button "B" came off, when I just got it 2 days. I contacted customer service and asked them to refund me. They said...

Thank you

I can use this laser burning paper or plastic. That's really amazing. The 100mW laser also can burn paper like that? And if I send it to you, I will pay the postage more than 20$. I can purchase 100mW laser with this 20$. Thank you for your reply.

Unfortunately, I don't know the power meter. This is my first laser pointer.

:thanks:

I got a laser yesterday. I don't know whether it's really about 200mW. How can I test it by a simple way.

800mW???or 80mW I bought one <200mW $43.35

:D Hi all I love laser and I will love this forum.