As far as I know, all laser Pointers under 500MW are safe. By the way, if you project a beam of light at 500MW onto a white wall at a distance of 3M, the wallpaper will burn black. If it's a black curtain, it'll smoke and make a hole. You should know that the so-called sun has enough energy to condense it with a small magnifying glass. You must try our new product: 5000MW ultra high power laser pointer. Divided into red light, blue light, green light, purple light, color are super beautiful. When you turn on the button, it's really magical.
On the other hand, high-power green laser pointer require a lot of batteries, so it may be necessary to buy a better battery when purchasing laser Pointers, so as to better feel the 50000MW laser Pointers. The effect is really worth buying. Green laser line generation laser alignment is a newly developed product. Using imported glass coated cylindrical lens and laser diode, always ensure the longest distance of 6 meters laser line. The best line alignment is usually achieved at a range of 3-5 meters. It can be used in teaching. It is compact, lightweight and easy to use. Therefore, you can carry it with you anytime and anywhere. In addition, it will be an excellent navigation tool when you travel. A good tool to point to distant targets or stars and signal for help