... temperature, explosion resistant 14) Switch: Double fuction(Adjust and Remote control), infrared remote control distance:3M15) Lifespan: ... wedding ceremonies, corporate displays, etc.Unique advantages: 1) Low carbon, environmental protection;2) Saving power, waterproof, UV resistant, ... 5) Wireless control: infrared remote control.6) All the balls will pass anti-aging test, waterproof test, function ...