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Mine was very certainly heating, with about 5 seconds of CW output, the L(E)D 's heatsink already felt hot (about 50 degrees Celsius). I checked the leads, they were in the correct direction, and the batteries were fresh off the shelf. But certainly, this is an example of an LEDed diode, and...

So... I bought a 445nm build kit from Garoq about 2 weeks ago, and it just recently arrived. I must say the shipping and packaging were very well done. I followed the instructions and installed the diode as instructed. However, what I got was this: The batteries were fully charged, and I...

I find it ironic that the affiliate offer lists this under the 1w blue laser: Use only laser pointers meeting the following criteria: * Labeled with FDA certification stating "DANGER: Laser Radiation" for Class 3R lasers or "CAUTION: Laser Radiation" for Class 2 pointers * Classified as...