... adjustable Artillery range:15-20km Electric voltage: 220V240V 50Hz/60Hz Light source: 5000W/6000W/7000W Color: White, red, Huang, green, ... monochrome Light beam: The parallel light, focal distance is adjustable( need to order to do ... ) can make to make track for the lightlight, light in the performace the spot size is adjustable. Artillery range ...