В момента разглеждате уебсайта на Philips lighting. На Ваше разположение има и локализирана версия.
Предложения

    FAQ

    What does a life of 50,000 hours mean in the case of - LEDs?

     

    50,000 hours would imply 5.7 years if the light is operated for 24 hours in a day, 7.6 years if the lights are on 18 hours per day and 11.4 years for 12 hours a day.