As you move closer to the target, it helps you to aim easily and accurately. The power of the green laser pointer is usually between 30MW and 50MW. -- Museums/galleries/guided Tours. For outdoor adventures, it makes your trip more interesting by indicating distant targets and signaling for help, making it the preferred equipment for important outdoor activities. Professional laser diode systems are typically equipped with a 638nm red laser. They have a very good visible red color and can be collimated into a good beam shape. The handling of this diode is quite delicate, especially if you need to combine more than two diodes. We use this type of diode in professional laser systems. Most Chinese manufacturers can't handle this type of diode.
The safest laser designators are those with no more than 1mW output and therefore will not produce an exposure higher than 1mW unless the viewer overcomes their blink reflex and deliberately stares at the laser. These are class 2 lasers with caution tags. Lasers in the 1 mW to 5 mW range are class3a and carry the "Danger" label. Class 2 laser Pointers with an output power of less than 1 milliwatt but a wavelength of 670 nanometers have low apparent brightness and may not be sufficient for all purposes.