Focus 4mm Glass Lens 405-G-2 for 405nm 445nm 450nm Blue Laser Diodes

what's up guys Xbox mod 360 here and in today's video I'm bringing you a review and an unboxing on something that I've been pretty excited to get and that's going to be the Chinese one watt blue laser it's 445 to 450 Nm and that nm number just refers to the wavelength but I ordered one of these a while ago and I finally got it I got it from a US seller though so I will talk about where you should buy it and all that but I'm gonna start opening it right now I actually bought a bundle I didn't just buy the laser itself I got it with a case and a couple extras and that's the reason why I paid a little bit extra I paid seventy three dollars for this bundle these lasers by themselves without the batteries or any extras will usually run you about fifty dollars so right away when you open the package you can immediately see that aluminum case that houses the laser and the accessories that I go