Outdoor led advertising display

Pixel configuration: Two red, one pure green, and one pure blue Pixel pitch: 20mm Environment: Outdoor Resolution: 2, 500 dots/m2 Display brightness: > 5, 500cd/m2 Brightness adjustment: 256 manual and eight automatic grades Viewing angle: > 110 degree (left and right viewing angle) Viewing distance: 20 to 150m Grey scale: Monochrome 12 bits Display color: 36 bits Exchange frame speed: > 60fps Refresh frame frequency: 360Hz Maximum 900W/m2 Average: 380W/m2 Control distance: 120m (without relay) MTBF: > 10, 000 hours Operating platform: Windows 2000, XP, and Vista OS Working temperature: -20 to +60 degree Celsius Working humidity: 10 to 95% RH.