The laser output power is usually stated in milliwatts (mW). The output power determines classifications, applications, hazards of laser pointer.
● 1mW-5mW Class 3A/IIIa laser pointer Low powered laser pointers applicable for educational and business presentations, visual demonstrations, and pet toy.
● 5mW-500mW Class 3B/IIIb High power laser pointers applicable for burning and thermal experiment, scientific research, military targeting, medicine and astronomy research.
●＞500mW Class 4/IV Specialized high power laser pointers applied by professionals in scientific research, military, industrial requirements.
Cautions: Never point laser pointer to your eyes and another. Laser safety goggles is a must while holding a high power laser pointer in hands.