... after-sale service 3)15 years experience 4)Better price dip led 8mm, pixle pitch composition 1R1G1B, football,basketball place, road,street, market ... .mWarranty2 YearManufacture and advantage1. Key technology:15 years experience LED lamp encapsulation2. High quality: 3 years warranty with UL,CE,RoHS,ISO9001:20003 ...