This Philips 40/60/100 watt equivalent 3-way a19 LED bulb uses as little as 5 watts of energy?? saving up to 96.25 over the life of the bulb (based on 3 hours/day?? 11 cent/kWh?? costs depend on rates and use)</br>This Philips LED bulb turns on at full brightness with from 450 to 1600 lumens and provides a soft white