This big digital led will be use on the signboard in a hospital located in Istanbul 12 pcs 

RGB 5050 LED set in 80mm round shape plastic case, it's clear and flat on front of case, 

cable output from button , injected by flexible silicon glue to make it waterproof , the 

point is not the LED but the cable in 330cm between each pixel 12V input with 

UCS1903 IC chip, the signal really strong of this IC .