... Big Dipper Laser Science & Technology Co., LtdProfessional manufacturer of laser display system (laser stage light, dj light, dj equipment, moving head ... of laser stage light in the world.Product name:Laser Display System (laser stage light, dj light, dj equipment, moving ... operate under DMX, sound, auto control mode without computer.4.) High speed scanner, the speed reachs to 20KPPSDisplay effects: ...