... : RoundCorrelated Color Temperature: 2700-3500K,4000-4...Usage: Houses, offices, exhibitions, meeting ro...Power factor: 0.95CRI: 80Luminaire Efficiency: 90%LED ... % energy.5. Brighter than traditional fluorescent lamps. Applications:Houses, offices, exhibitions, meeting rooms, hotels, restaurants, schools, factories, hospitals, workshops, storages, roads ...