20 inch seven segments led display single digit/large led digital display/large display/common anode display ROHS& ISO9001:2008

"Demension(W*H*L): 550*350*18Character(W*H): 500*274"

PCB-A:7 pieces of seperate segment assembled into a PCB board with digital dot.For each segment there is 7 chips in series and 18 series in parallel connection.In the dot there is 7 chips in series and 4 series in parallel connection.