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