LED display, LED sign, LED screen, LED, LED video, LED video display, LED screen sign, LED indoor sign, LED vivid sign, LED advertising sign 1): 80 to 240 dots available in length. 2): With pitch of 7.62mm LED sign 3): Optional communication way: RS232, RS485, TCP/IP, USB, Wirels 4): Easy entry: PC or Remote Control entry 5): Far viewing distance and wide viewing angle 6): As one ready-to-install unit, sign can be easily mounted to wall or ceiling 7): Ability to display text 8): Ability to display graphic 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