: A Class 3B laser (like 15 mW) may only cause dark or lightweight materials to smolder if the beam is held perfectly motionless at close range for several seconds . Where to Buy (Reliable Sources)
: Most lasers capable of "burning" typically start at roughly 500 mW or higher (Class 4) . buy 15 mw laser pointer
Due to safety regulations, mainstream retailers like Amazon and eBay often prohibit the sale of lasers above 5 mW . Enthusiasts recommend specialized manufacturers known for accurate power ratings and high build quality: : A Class 3B laser (like 15 mW)