Detailed Product Description LED Display Panel (Leading Supplies)Indoor - pitch 3.5mm, 4mm, 4.2mm, 4.4mm ... Control System better color revivification, more exquisite video display because of advanced technology in the system for gray ... 300 mWeightapprox. 40 Kg/sq. mSystemBrightness2,000 cd/sq.m (adjustable)Brightness Adjustmentautomatic/manual/timetable, 256 levelsControl Methodsynchronously controlled ...