It's used to display the bus destination and number. It can be ... : red, green, yellow is available. It can be display by single color or mixed color at different sections 4 ... . Multi-languages: English, Arabic, Russian, Portuguese, etc 5. Display modes: static,rolling or combination 6. Control mode: by sign ... or by GPS Parameters: pixel pitch:7.5*11.3 mm LED dot matrix: 16x16 mm LED diameter: 4mm x 6mm ...