www.safetyandhealthmagazine.com/articles/led-area-light-3

LED area light

May 1, 2011
The StreetSense Series LED Street Light features optics technology for precision light placement with maximum energy efficiency and reliability. Delivering up to 75 lumens per watt and 70 percent lumen maintenance for more than 60,000 hours, it is designed for easy changeout from existing HID fixtures to help commercial property owners meet sustainability and energy efficiency goals and reduce maintenance costs.

Dialight