From January 2018, MSD started to bulk produce 3-step MacAdam flexible LED strip products.
1.In order to make sure the flexible LED strips within 3-step MacAdam ellipse, EVERY pcs 3528 SMD LED we use on the strips is within 3-step MacAdam ellipse.
2.The 3-step MacAdam ellipses under different color temperatures are based on the IEC 60081:1997 standards center point(x,y)value.