... Soft RGB LED Moving Signs Module introduction:1.Product series Outdoor P16, P20, P25, P31.25, P37 ,P40 2 ... in the operation. without any installation environment limitation , and be customized into any shape according to the construction environment ... 4. Application:1). Advertisement LED Display: Applicable for both indoor and outdoor; totally water-proof, dust-proof, anti-ultraviolet, aging resistant ...