... Product Description LED display (leading supplies)Indoor - pitch 3.5mm, 4mm, 4.2mm, 4.4mm, 6mm, 7.62mm, 8mm, 10mm, 12mm, ... , we should maintain the screen of pitch 3.5mm in the front but not the rear. ... ,500 nits (adjustable)Brightness Adjustmentautomatic/manual/timetable, 16 levelsControl Methodsynchronously controlled by computerRefresh Frequency240+ HzPower Consumptionmaximum ...