What is the advantage of the cold spark fireworks machine ?

What is the advantage of the cold spark fireworks machine ?

What is the advantage of the cold spark fireworks machine ?

Advantage:

1.safe,no gunpowder

2.environmental protection,no pollution

3.Intelligent,digital,High spraying

4.low consumption,low cost

5.compatible,can work at any time indoor or outdoor.

6.easy to operate