... chips,207lm/w for cool white. 2.Designed by ourselves. 3.cree led track lightWarranty:5 years. 4.CE RoHS EMC ... 30°/45° degrees Color Temperature Warm white 2,600-3,700KNeutral White 3,700-5,000KCool White 5,000-10,000K Light Type cree led ... different kinds of lamp and, colors ,watts for choosing.5)Warm White, Neutral White, Cool White6)Long lifespan over 50000h.Detail showApplicationProduce familyOur ...