Some people compare high power laser pens to crazy lasers, because the laser pen is so powerful that it can ignite a lot of flammable products such as matches, cigarettes, plastic bags, candles, fire, etc. "crazy laser pointer" also widely used in astronomy refers to the stars, site measurements, wild adventure, but also for self-defense, is the preferred equipment for astronomy enthusiasts, outdoor enthusiasts. Please wear safety goggles when you play high powered laser pointer. In particular , laser harmful to the human eye, please do not direct to the human eye, please keep away from children, so as to avoid accidental injury accident.
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