VoltageAC100-240V LED Power 9W CT3000K (Warm White ),4000KNatural White/ 6000KCool WhiteTotal Lumens: 770 lm Light Source : 9W COB Surface Light Source Material : Aluminum + PMMA lens Working Temperature-30~50 Working Lifespan>30000hours Cover Sizeφ120*59mm Hole Size: φ100mm