LED Screen for indoor three line

1) Character Size: 1.5 - 2.1 - 4.8 - 7.2 inch Characters.
2) Character Color: Mono/Multi-color Characters.
3) Message Input: Remote Control or PC message entry.
4) Max. Viewing distance: 200 ft.
5) Message Capacity: 100 different messages can be stored and displayed.
6) Outline border: Aluminum alloy enclosure.
7) Power: 100-240V AC,12V or 24V DC.
8) Sign memory: 512k bytes.
9) Memory Retention: 10 years.
10) Message presentation modes: 26 Modes.
11) Online update firmware.
12) Real-Time Clock: Date and time, 12 or 24 hour format.
13) Operation Temperature: 32 to 158F, (0 to 70^oC)
14) Humidty Range: 0% to 95% non-condensing.
15) Power cord length: 1500mm.
16) Mounting: Hardware to accomodate ceiling or wall mounting .
17) Optional communication ways: RS232, RS485, USB,TCP/IP,Wireless,GSM, GPRS.
18) Provide secondary development SDK. Provides sample code, technical support