Here, I must recommand this 500MW high power laser pointer to all astronomy amateur. The high power laser pointer, it will bring infinite interests for you to start your starry sky exploration.   This high power laser pointer has the very strong penetrating power, and it sends out a laser beam in the dark night sky and draws a very beautiful "green light " directly into the night airspace, very impressive and you will see a magnificent Scenario. it’s amazing, right? This high power laser pointer can be used to instruct the position of star accurately, and it is a best tool to observe the starry sky. But here is some tips that user need to pay attention to. Note: taboo and warm warning when using the high power laser pointer First, please do not directly point people or animal's eyes with the high power laser pointer, because the strong beam will possibly cause eye's burning! Second, please do not let the child play with the high power laser pointer alone, because it will possibly cause the dangerous occurrence with misuse. High power laser pointer! China YOTANG (