Check this threads:
Also before you start working on it get some OD 5-6 goggles so you don't end up with a fried eye...
I don't think you'll find any laser store that has lasers with power of 7W. It ends at like 100mW in the US. Either try to find a private seller from the US on LPF or order the diode with the other parts and build the laser yourself. If you don't really know how to, watch styropyro vids, they'll...
The challenger II is really good, I have two of them and I highly recommend getting one. Also for 300 euros u don't need to look into other companies and buy trash from wicked or zeus :D I would take the 4.5W 470nm in Challenger II from Sanwu and some Eaglepair goggles OD6-7.
Tbh I would just buy this device that u plug in your electrical socket and it kills bugs. It’s cheap, effortless and it works.
The situation here is not good at all. Everything is closed except supermarkets and pharmacies. You can only go out to doctor, pharmacy or supermarket. If u go...
Just go for the sanwu pocket in 488 or 492nm (cyan). Exotic colours are really cool. I own the 492 pocket and it's amazing ;d
Also when ordering choose DHL shipping. It's pricey but their normal shipping is extremely slow. I'm waiting more than a month for mine and still didn't get it.