... Long operating lifespan: more than 50,000hours2,High color rendering index with great directionality3,Fast turn ... free 5,Strict quality control, 72hours aging test and complete inspection before shipping.6,High luminous intensity, low ... usage.8,Ideal heat dissipation design with high quality.9,All size,shape,color,brightness,can be ... 2,No MQO limited,samples will be send out in 5-7 days.bulk order will be ...