1): 40 to 240 dots available in length. Led display  2): With 7.62mm pitch led display led display  3): Optional communication way: RS232, RS485, ***/IP, USB, Wireless led display  4): Easy entry: PC or Remote Control entry led displays  5): Far viewing distance and wide viewing angle led display  6): As one ready-to-install unit, sign can be easily mounted to wall or ceiling led display  7): Ability to display text led display  8): Ability to display graphic led display  9): Ability to display time  10): Ability to display countdown  11): Ability to display user logo  12): Ability to display temperature  13): Allows users make fonts and graphic by themselves  14): Available for single color or multi-color  15): Delivers 28 messaging presentation ways  16): 5 messaging moving speed  17): 10 messaging stop time  18): Offer password security  19): Brightness adjustable  20): Open protocol
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