With pitch of 16mm Optional communication ways: RS232, RS485, TCP/IP Easy entry: PC entry Far viewing distance and wide viewing angle As one ready-to-install unit, sign can be easily mounted to wall or ceiling Ability to display text Ability to display graphic Ability to display time Ability to display countdown Ability to display user logo Ability to display temperature Allows users make fonts and graphic by themselves Available for red, amber or mutli-color Delivers 26 messaging presentation ways 5 messaging moving speed 10 messaging stop time Offer password security Brightness adjustable Open protocol