... angle is available: 15 ° / 30 ° / 45° / 60 ° / 90 ° / 120 °3. High quality light source. The attenuation of high power LED ... spotlight source is less than 3% by 3,000 hrs aging test under temperature 50 degreess celsius ... can be widely used in Hotel, Restaurant, Shop, Shop Windows, Counter, Jewelry Cabinet, Wardrobe, Boookcase, Showroom, Ceilings Decoration, under cabinet ...