... :(W)50mm X (H)55mm2,NET WEIGHT:50g3,LED CHIP:CREE/SAMSUNG/EPISTAR4,POWER:3W5,COLOR TEMPT:2700K ... EFFECT: 80-90lm/W8,COLOR RENDORING INDEX:>709,BASE: GU10/MR1610,MATERIAL:AL+ PC11,LIFE SPAN: >50,000 hours12 ... .WARRANTY:2 YEARApplication:LED spotlight widely used in office buildings, factories, shopping mall ... . Many Customer Interested In This High Efficient 3w SMD Spotlight