... (ISO9001:2008) 2)Digital scrolling system(CE) 3)Noiseless 4)Rolling :65cm/s scrolling light box(scrolling panel,aluminum light box ... demand220v/110v 50HZ or DC 24vPower360wLight soursePhilip T5/ Osram T45/ LED lighting PackageCarton,30unit in 20ft container. lead time 20 days ... ), which is noiseless and very fast.The speed of the rolling up to1.3m/s, only take 1.4 second to change ...