LED exit sign retrofits save you $1,100 guaranteed by Energy Star over it's warranty period, and $2,500 over its life! For $19.95 you get a LED strip light with a free $5 retail lens. Just think of no more lamp replacements, labor, recycling of lamps, purchasing, reduced AC load, etc for up to...
Firefly makes 8 different size and intensities to replace up to 1,000 watt HID lamps @ 33,000 lumens. You can choose from 15 separte colors of white light, three CRI and several viewing angle. With drivers rated at 280,000 hour (Mean Time Between Failures)