... emitter with high luminance>80Lm/W.Down light with uniform light distribution,CRI>80. LED Down Light(10~30w)Features include:1. High ... high bright semiconductor chip independence device packaging High-power LED as light source, luminous efficiency is more than 100Lm/W, ... '', 2.5'', 3'', 4'', 6'', 8'' can replace the traditional down light directly, unnecessary to cut new hole for the fitting ...