Pixel pitch (real): 4.75mm
Pixel composition: 1R1G
Pixel composition: 44320dots/m2
Displayer brightness: ≥ 800CD
View angle: Horizontal 120° ; Vertical 30° 
Best viewing distance: ≥ 3m
Life span: ≥ 100, 000 h
Max power consumption: 400W
Ave power consumption: 200W
Input voltage: 220V± 15% 50Hz
Operating environment temperature: _25~+60 
Humidity: 10%_95%RH
Gray scale: Red, green and yellow
Displaying mode: VGA640X480_VGA1600X1024
Communication distance: ≤ 120m(Ethernet cable)
Control mode: Asynchronous control
Signals inputing: 232\485\VGA
Operation system: Windows98/Me/2000/XP
Brightness adjustment: 16 level automatic or manual