... energy saving, saving 50%;1.2,Pure light color, reproduction is good;1.3,Beautiful structure, unique cooling, ... or equal to7530,45,60Color TemperatureLight ColorWork TemperatureBrightness degradationWork LifeCertification4000-4500KWhite0-25 to 50 °C1%-3%/1khr50000 HrsCE & RoHs 15W LED ... COB Track spot Light CE&RoHS, LED track light, 50000hours, warranty 3years