A19 9W LED Light Bulb, 6 Pcs, Warm White 2700K, 60 Watt Equivalent, Efficient LED Bulbs,810 Lumens, E26 Medium Screw Base, Non Dimmable, LED Lights for Home - Amazon.com
Westgate A19-8PK-9W-40K-D Lamp – Lighting Supply Guy
What is the conversion formula from watt to lumen? - Quora