Not long ago, some travelers experienced intense laser interference in airplane gatherings. At that time, in the evening, passengers Qingdao and dalian fly. When more than 10 minutes after takeoff, the plane has already climbed to 3100 meters, a heap of clear the height of the green light to the earth, passed quickly crossed flat. But soon the green beam and the bottom of the device, and constantly surrounding the body fragments. The blue laser pointer is cheap when the client tries to use a camera to shoot a beam of light that is scanned into the eye to stimulate the camera, and the appearance of the flower appears in about a minute. Beam intensity and exposure height, it is a green high power laser range is 1MW. The laser pointer represents the "laser pointer", also known as "feather starfish", "laser pen", and so on, according to different wavelength can be divided into red, yellow, green, blue, violet and so on the current common market has red lase