... , TS16949 tube Efficiency high up to 120lm/w ip54 360° beam angel smd3528 led tube 81 (TUV CE, UL, RoHS, LM ... operating and maintaining technicists for customer to ensure the normal use of the product. After sales40000 hours Warranty, life-time maintenance ... , free of charge on problems within quality. 360 beam angel smd3528 led tube 81 (TUV CE, UL, RoHS, LM ...