... . Quality advantage 2. Durable waterproof 3. Energy saving 4. Stability color uniformaty led sign boardfeatures:1. High brightness and be adjustable ... /Blue) (Typical)623 / 525 / 470nm Signal input format (with video processor)AV, S-Video, VGA, DVI, YPbPr, HDMI, SDI, RF, etc ... + DVI display card + main controller card + optic fiber transmission(optional)— color uniformaty led sign board