... .LED:SMD 3528 3.Life time >50,000Hours 4.Input Voltage:AC100-240V 5.Certifications:CE ,RoHS,3C Dimmable 5W LED ... ; 2, 2-years life span; 3, Wide range of input voltage: AC100-240V; 4,Special different view angles mixing lighting design ... current driver, with heat protection system, can work under unstable voltage; 7,Special circuit design,each group of LEDs work separately ...