From the Manufacturer:
Are you looking forward to experiencing a breathtaking indoor fireworks display? If yes, you need special effects spark machines to achieve your desired stunning displays. The Cold Spark Blitzz Machine, also known as a cold spark effect, is safe to use, spark machine as it emits cold sparks which are not subject to catching fire. This device is not pyrotechnics but a simulated pyrotechnic experience.
The Cold Spark Machine allows its user to customize how the sparks should appear. The users have the luxury of controlling the sparks’ timing, volume as well as how high they rise for whatever production. You will simply be in control all through.
The safe and convenient special effects spark machine. Safety should be your number one priority. The Cold Spark Machine as mentioned earlier does not catch fire. The Cold Spark Machine fountain system allows for safe creation of the stunning desired sparks effects. This machine is fully programmable and easy to set up.