will they both burn paper, tape, matches, and like mark p wood if i want to write my name or something etc?
Red (635nm) is the cheapest wavelength for more power. If you want something that will burn in green, blue, or violet it will cost some more money. Green (532nm) is the most visible to our eyes, so it has the most visible beam compared to other wavelengths at the same power. Green is also the most expensive.and do you know any good 200 mw same price rang of violet, blue or green laser that can also burn? i was looking at one on 0-like but its like $100 for 40mw and idk if i want that high of mw because that will really burn