![led - What is the theoretical limit of lumen/watt for lighting systems? - Electrical Engineering Stack Exchange led - What is the theoretical limit of lumen/watt for lighting systems? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/cfh8S.jpg)
led - What is the theoretical limit of lumen/watt for lighting systems? - Electrical Engineering Stack Exchange
![100 Watt LED Wall Pack Light - 14,500 Lumens - 5000K Bright White - High Efficiency 140 Lumen to Watt- DLC Premium Listed - Dorado III Series - Without Photocell - - Amazon.com 100 Watt LED Wall Pack Light - 14,500 Lumens - 5000K Bright White - High Efficiency 140 Lumen to Watt- DLC Premium Listed - Dorado III Series - Without Photocell - - Amazon.com](https://m.media-amazon.com/images/I/6122ELiJsWL.jpg)
100 Watt LED Wall Pack Light - 14,500 Lumens - 5000K Bright White - High Efficiency 140 Lumen to Watt- DLC Premium Listed - Dorado III Series - Without Photocell - - Amazon.com
![GE Relax HD 800-Lumen, 10.5W Dimmable A19 LED Light Bulb, 60W Equivalent (4-Pack) White 42977 - Best Buy GE Relax HD 800-Lumen, 10.5W Dimmable A19 LED Light Bulb, 60W Equivalent (4-Pack) White 42977 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6373/6373504_sd.jpg)