... YC, composite…Control systemDVI card + master control card + receiver cardMTBF> 5000 hrsLife span (50% brightness)100, 000 hrsMalfunction ... coated, aluminum / ironApplication:Rental / Permanent installation available Module pictrues:Applications:Roof,public square,street,high way, railway ... time: sample(3 days) ,single color /dual color module(4-12 days). full color module(4-15days)3.Price: discount ...