1):  40 to 240 dots available in length.
2):  With  pitch of  7.62mm led display
3):  Optional communication way: RS232, RS485, TCP/IP, USB, Wireless
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