The LED Signage Series requires no warm up time, is not effected by cold temperatures, has no UV radiation, has no mercury, and has a 50,000 hour life expectancy. Maintenance friendly and saves on associated costs. Easy to install, low defect rate, low service calls, quicker installation time. No UV, No Infrared, No Glass, No filaments to break, No lead or mercury. Environmental friendly, 100% recyclable.