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Setting off fireworks is a traditional custom of the Chinese New Year, however, setting off traditional fireworks is dangerous and can cause serious air pollution. Therefore fireworks are prohibited in many areas in China.
Water mist firework is intended to replace traditional fireworks. The water mist formed by ultrasonic atomization is used as a projection carrier. The built-in miniature projector is used to project a holographic image of fireworks on the water mist, supplemented by sound, to create a real handheld firework effect. In addition, multiple devices can be connected into a large water mist firework.
Hang Zhou, China