... 3. 3 years warranty 50000hrs lifetime 4. CE, RoHS,SAA factory price lwith high quality led downlight 3w 4w technolgy parameters product ... ,7w,9w,12w,15w,18w,21w,24w optional2,material:pc+aluminum,all pc,all aluminum optional3,lighting color:warm white,cool white ... :3000-7000k optional.led downlight Features:2)To be used with Quasar constant current led driver CLD-A35364)50.000 hours ...