1. UL approved with UL file #:E341470 2. Switzerland Silver Innovation Award won by our 120W LED street light in 2005. 3. die casting moulding aluminum lamp shell to meet efficient heat cooling. 4. Cree chips to keep 50,000hours lifetime. 5. 2 years warranty. 6. 3 year maintenace free. 7. At least 80% energy saving. 8. IP65 for outdoor use. 9. For more info: www.zbledlighting.com OR chris2012@163.com