Check out the Shenzhen Sinaiqi Technology Outdoor 3.91 LED display! With dual tube technology and a brightness of 6000mcd, this display is perfect for outdoor events and advertising. Plus, it's flame retardant with 94V0 certification and features 8 sheets of glass cloth for durability. #LEDdisplay #OutdoorAdvertising #ShenzhenSinaiqi #Technology #FlameRetardant
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