Many children now have a laser pen toy. This little burn laser pointer could have been a few hundred metres in the light of a few hundred metres, and the children received their magical love. They didn't know that the laser pen would easily hurt the child's eyesight or even blindness. Swiss retinal experts have warned that the risk of a high-strength laser pointer is very good. Industry's largest power of up to 5000 mw laser pointer, far more than allow the sale to the public 3000 mw green laser strong beautiful finish. Therefore, I hope my parents will not let their children contact the laser pointer.