Programmable Bus LED Sign 1.bus side display 2.programmable via remoter and PC 3.Pitch 4. ... -Line Bus LED SignsCan used in city bus, school bus, car,. . . . . .There have many types, Mono color, Tri-color, Full-color ... user-defined graph 30 pre-graphic symbols such as phone, car, clock, rocket, etc . 8 pre-defined phrases and animations such ...