... chips same as LITEON quality 2,More than 3 years warranty 3,OEM & ODM 4,3 years warranty -LED DOT MATRIX products : ... 5x7 series :Dot size : 1.9mm,2.54mm,3.0mm,4.5mm,5.0mm,7.62mm,10.0mm Outline ... 8 , 79.8x57 , 106.5x76 5x8 series : Dot size : 3.0mm ,7.62mm, 8.0mm, 10.0mm Outline size : 37 ... 2mm, 121.5x76 8x8 series : Dot size : 1.9mm , 3.0mm , 3.1mm, 3.7mm , 4.8mm , 5.0mm, 8.5mmOutline size : 20 ...