... of laser: Visible laser Diode specification parameter:Fixed focal, Green pointlike flare, Continuous output,Continuous service life > 5000 hours ... greater the power, the farther range,The bright green light, the thick green light track line,Prices different.Gunshot: 500-10000 meters ... sky fireflies, also similar fireworks scattering effect,Beams of light scattering Angle is greater than 70 degrees. 3. ...