Double sphere
Silvery rout, turning into blue or green sphere with golden trains of big stars, the center is of green or red small stars (or into red or orange sphere with golden trains of big stars, the center is of blinking pink or yellow stars; or into white sphere with silvery trains of big stars, the center is of red small stars).
Caliber – 310 mm (12 dm),
Diameter (max) – 309 mm,
The height of article – 350 mm,
The height of spectacular effect – not less 250 m,
Action time– 3...7 s,
Radius of danger zone – not less 250 m.