... led source 2,fast delivery 3,low llighting dissipation 3*1W LED Downlight,ceiling mounted led light fixtures,ip44 led ... downlightSize: Ø85*H45 MMCut-out Size: Ø72 MMLED: 3*1W ; Lifespan: 50,000hMaterial: Pure AluminumInput Voltage: AC 110V-240V, 50 ... White, Cool White ; Warm WhiteLumen: 70-80lm/W ; 80-90lm/W ; 90-100lm/W ; 100-110lm/W Brightness degradation: 1%-3%/1khLumen Maintenance: 80 ...