led flexible screen 1)Best led display,choose Ledcent 2)led display 3) ... :20mm,viewing:15m 4)UL/CE/FCC/ROHS led flexible screen P20 module P20 Cabinet system operation Linsn control system introduction ... brightness of the screem to save energy. Applicability:Highway,stadium, exhibition center,squares,bank, telecom,street,airport,hotel, government agencies ,hospital ...