... With patent structure, soft lighting 2. Good heat sink, 3 years Warranty 3. Best Choices ... With patent structure, soft lighting 2. Good heat sink, 2 years Warranty 3. Best Choices for ... 80LM/W), high CRI (Ra>70), good quality heat dissipation, low light degradation. (2) Aluminum alloy ... die cast housing, good strength, high quality heat dissipation. Anti corrosion and baking varnish surface, can ...