... 170-187/w for cool white. 2.Indoor led downlight. 3.CE RoHS EMC. 4.Warranty:2years Led downlightDetail specification: 1) ... cree XRE Q4 chips,170-187lm/w for cool white.3) Surface ceiling mounted, it don't rely ... white 2,600-3,700K /Neutral White 3,700-5,000K /Cool White 5,000-10,000K Mechanical Data Light Type LED ... certificate of CCC.CE.ROHS.EMC and etcHigh power LED,LED we use CREE XR-E chips and VDE, ...