What is the use of buy green laser？
To buy a suitable laser pointer, you can choose from these points. For example, the quality of LD (bulb), lens quality, laser crystal quality, and laser pointer power affect the quality of the laser beam. When choosing a laser pointer, you should pay attention to it in a dark place. Observe the spot, if there is obvious flooding around the laser spot, the lens is unqualified; observe whether the spot is a perfect solid circle; carefully observe whether there is a problem of flickering and dimming when the laser is emitted. If so, it means that the LD has problem. If it is a laser pointer with low power (below 20 milliwatts), you need to observe whether the brightness of the laser will become darker and brighter when the laser is emitted. If this is the case, there is a problem with the circuit or LD of the laser pointer.
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For friends who frequent meetings and briefings, it is normal to carry a multifunctional laser briefing pen with perfect functions and a long receiving distance. What are the characteristics of a good multifunctional laser briefing pen? It is also a problem that many business people care about! To make a long story short, it is mainly cheaper to produce laser pointers that emit red light than other types of laser pointers. Laser pointers of other colors are not uninvented, but the red laser pointer is still the most economical choice. Therefore, they are the first choice for mass production and the most popular products on the shelf. In fact, Laser pointer are not the best pet toys, because they do not have many advantages except that they can move quickly. In fact, the owner is best to choose other pet toys. Those that can handle, chew, catch, smell and feel are all better pet toys than laser pointers. And these toys can give the dog richer stimulation, and will not bring frustration to the dog.
2021-09-09 11:29:41
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