LIFX 75W Equivalent A19 Multi-Color Dimmable Wi-Fi Connected LED Smart Light Bulb (4-Pack)No hub required, Wi Fi is built into the bulb 1100 Lumens, equivalent brightness of a 75 Watt traditional incandescent bulb Estimated cost is $1. 32 per year (based on 3 hours day, 11 cents kWh; cost depends on rates and use) 25,000 hour lifespan or 22. 8 years (based on 3 hours day) Choose from 16 million colors and a range of whites (2500K 9000K) Energy efficient at 11 Watt (75 Watt equivalent) Suitable for use anywhere around your home, such as