1. Do not irradiate the laser pointer directly into your eyes. Please keep it away from children to avoid accidental injury. 2.Please don't keep the laser on for too long (especially the green laser), it is best not to exceed 30 seconds in summer, if you feel the laser flashlight or pen body is hot, please stop it immediately until it cools down completely.
3. When used in winter,the green laser may need to be warmed up for a period of time to achieve the best brightness. You can put it in your pocket to warm it, and then put it in the battery. It is better not to keep on for more than 1 minute. In order to prevent the laser from aging too quickly, or overheating and causing damage to the laser LD or module.
4. In the art museum, because some paintings maybe afraid of light, laser pointers are not suitable for use.
5. In the zoo, laser pointers should not be used to avoid frightening animals.
6. Astronomy enthusiasts should pay attention when using the laser pointer to point the stars. They should not use the pointing star frequently and for a long time, so as not to hinder other people's stargazing and photography.
7. In a crowded public place, in order to avoid accidentally hurting others, you should stop using the laser pointer.
8. Some high-power laser pointers have obvious thermal effects and cannot be used continuously for a long time, especially solid-state lasers that are sensitive to temperature.