... advertising board 1. Quality advantage 2. Price advantage 3. Stability working 4. Energy-saving high performance street led advertising board Features ... of led advertising board :1. High brightness and be adjustable, ... ) (Typical)623 / 525 / 470nm Signal input format (with video processor)AV, S-Video, VGA, DVI, YPbPr, HDMI, SDI, RF, ...