Most of 5000mw green laser beam is visible at night or in darkness. The Green Laser Pointer 2000mw has amazing performance at night, even the lowest powered 300mw laser pointer will have visible laser beams in darkness.Please see the table below covering 100mw laser pointer beam visibility in darkness for various wavelengths of our laser pointers.In spite of the color of the laser 2000mw Typically, in order that some sort of beam to generate plenty of high temperature for you to gentle some sort of complement or maybe put some sort of football, you are getting to want a minimum of 200mW. Naturally, the more suitable Typically mW power more suitable Typically the using up potential on the 2000mw green laser you are looking for.

Our lasers pointers are for professionals, are not toys. These devices are not suitable to give to children or irresponsible persons. Do not aim the laser at people, animals or vehicles running. The glow of the beam can cause vision damage. The laser light bounces off glass and reflective surfaces. Extreme caution is recommended during use. For all power lasers over 5mW are needed goggles suitable for wavelength. High power green laser pointers modification or misuse can result in a risk of injury and permanent eye damage. Lasers are generally used for astronomy, education, research, construction and other areas where they act as precise indicators. The buyer will be responsible for all damages caused by improper use or improper. Only an operator experienced with the proper training you have received training to an appropriate level should be allowed to exercise control over these systems.

The laser can be bright enough when you light it in normal temperature, so you had better not light it continually over 30 secondsWhen not using it, please take off the battery from the laser to avoid damageIn some countries these 500mw green laser (especially the higher powered ones) may be illegal to own and/or use. Therefore, YOU (the customer) must accept all responsibly and liability to determine and fulfill the requirements and limitations of use or resale of these products in accordance with your country's laws and regulations.

Pointing a 2W Laser Pointer at a white matte wall is safe enough BUT be careful not to point it at a shiny, specular reflector like a metal surface. Even a few milliwatts can cause permanent eye damage when it's as narrowly collimated as a laser beam. I once saw a 70W green laser beam shining through a smoky room out through an open window and it was quite bright. When the showman, a physics professor, lowered a sheet of white paper into it, it was like looking at ground zero, Hiroshima. They wouldn't have trusted a lesser mortal to conduct the demo safely

http://kangnaixin.kinja.com/5000mw-green-laser-strikes-of-aircraft-reportedgreen-la-1730483726?rev=1442226343348

http://meihua.bloggets.net/these-highpowered-products-green-laser-pointers/

http://myowland.com/blogs/post/29061