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... a luminous efficiency far exceeding that of halogen lamps (consuming only 1/10 of the electricity of halogen lamps, saving energy and protecting the car's circuit), and an extremely long service life (5...
... They have a luminous efficiency far exceeding that of halogen lamps (consuming only 1/10 of the electricity of halogen lamps, saving energy and protecting the car's circuit), and an extremely long servi...
... halogen or CFL downlights, it consumes up to 80% less energy while providing bright, uniform light output. With a high luminous efficacy (lm/W), it ensures ......