... ceiling light -60%-80% energy saving -Life span 60,000-100,000 hours -Power factor>0.98,CRI>80Ra -CE,CCC,CB... Hot ... !!! 40W, 80W PC Round Shade Induction Ceiling Light C-50011. Technical data: Wattage: 40W, 80W ... effeciency ≥65-85Lm/W, save 20%-80% energy.(3) Low light falling: ≤5% in 2000 hours.(4) Low temperature: normal working ...