... Sign, LED display (Leading Supplies)Indoor - pitch 3.5mm, 4mm, 4.2mm, 4.4mm, 6mm, 7.62mm, 8mm, 10mm, 12mm, etcOutdoor - pitch ... °Recommended Viewing Distance6 ~ 30 mWeightApprox. 50 Kg/sq. mSystemBrightness1,500 cd/sq.m (adjustable)Brightness Adjustmentautomatic/manual, 16 levelsControl Methodsynchronously controlled ...