The dome with 4-meter-high is fitted with a powerful built-in RGB - LED color changer. It offers these impressive surroundings due to the large diameter of 80 cm. The color changer can be controlled over a light table and produce on request a wide variety of colors. Those specially developed low-noise blower units are designed for indoors and outdoors use. Due to the low noise level and a statement in direct proximity to the audience is possible.