High-power laser pointer can accurately locate
This will depend on the laser you plan to use. If you want to use the high powered laser pointer to point out the content on the classroom blackboard or projector, the simple AAA laser pointer style may be the best choice. Now, no matter how you focus at a short distance, a laser of 500 MW or higher can "burn", but if you are trying to launch a balloon from 50 feet away, you need to make sure that the beam is well focused and increase the burning as much as possible. Heat. The red line laser has high directivity and high brightness, and can be widely used in medical, military, security, stage lighting, measurement and other fields. The fine and accurate red line reference line is suitable for stone cutting, textile, metal sewing machines, packaging machines, etc. For portable and powerful lasers, you need to be highly vigilant about the surrounding environment and wear glasses before turning on the laser until you are completely sure that you know where it is irradiated.
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You can simply use it intermittently through the buttons on the body. You do need to hold down the button, but for this short-term switch, this may be your best choice. In fact, only when the shining laser is directed at the human body, especially the eyes, a class 3 or 4 laser pointer is dangerous. The higher the power, the shorter the exposure time to cause damage. Avoiding laser beams is like avoiding fire and burns you. This is enough to ensure your safety. If you need to stare at the shining laser for a long time, professional laser goggles will be a plus for your eye safety.
2021-11-29 12:31:58
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