We use high-quality LEDs from Sanan, Epistar and Philips, Tailor your needs.  Our default LED is A-grade LED are construted with Gold wires and Cooper bracket,  High CRI>90, SDCM<5; This combination ensures optimal electrical conductivity, excellent heat dissipation, Color consitency and enhanced durability, contributing to the overall performance and longevity of our neon light strips. So  our warranty is 5 years warranty