... LEDsWhether your priority is stylish lighting, slashing power bills, a more productive working environment ... color temperature range specified by customer 6, Beam Angle: 8,10,15,25,30, 60, 90 ... ModelYQ-TH048-9WSizeL205*W205MMMaterialCar aluminumHole sizeL160*W160MM Power factor>0.9Ra80Lifespan>50000hBeam color8/10/15 ... 2,Make sure the supply voltage is right.A wrong operating voltage can cause permanent ...