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Hello. I have this "304" 3 W 445 nm Laser from Sanwu since January an I e-mailed Francis/Podo to know the duty cycle with this. He answered he recommends one minute on & 90 seconds off. Hope this helps.

I'm sorry RedCowboy but I'm not a troll at all... Indeed I use translator because English is not my original language and I had to edit my first post to correct errors, and I forgot to translate it back into English before reposting... :rolleyes: So : Hi all. I'm Gwen from France (Normandy...

Bonjour. See the right intro. below please.