Cold fireworks waterfall is also called the stage waterfall,burning the effect is like a waterfall so called waterfall Detector fireworks,eruption color:silver.waterfall can drop from 2meters to100 meters.indoor stage waterfall shape for the column,the material of the tube is stainless steel,meter 5 tube.cold fireworks is use of low ignition point of metaTime & Attendance l powder,aftUniversal Medical Implement er a certain proportion of processing into cold smokeless fireworks,cold fElectrode ireworks low ignition point,ignition point in 60°C-80°C,the external temperature of 30°C-50Hydraulic Tool °C,no huarm to the human body