1. LED chip size

red:9mil,green/blue/amber/white:12mil

2. View Angle

H:120°(+60/-60),V:60°(+30/-30)

3. Viewing Distance

≥20m

4. Input voltage (AC)

110V~240V

5. Input power frequency (Hz)

50HZ~60HZ

6. Control Mode

Asynchronous

7. Drive Mode

1/4 scan constant current

8. Communication Mode

RS232,RF Wireless(Optional)

9. Control distance

RS232:<100m,RF Wireless:<1000m

10. Display content

Animation/Graphics/Word/Time/Temperature

11. Languages

English, French, Spanish ,Greek,Russian and Italian

12. Operating system

Windows (2000/XP/Vista/Win7)

13. Frame Material

Steel(cold rolled iron) frame

14. Working Temperature(°C)

-20~+65(for working)

15. Working Humidity

10%~95%RH

16. Life span

100,000 hours

17.Certificate

CE-EMC, CE-LVD, ROHS