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What laser power figures really mean, how laser classes and FDA rules protect you, and what to check before you buy, with figures from every model we track.
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Laser engraver power explained: optical output vs electrical power
Why diode laser engravers are sold as 20W, 40W or 80W when their optical output is a fraction of that, what optical power means for cutting, and how to compare machines fairly.
Laser engraver safety: laser classes, FDA rules and what to check before you buy
What Class 1 and Class 4 mean for a laser engraver, the safety features US law requires, how to check FDA compliance, which glasses to wear, and how to deal with smoke and fire.