PRO:
* A direct brightness compared with light bulbs, I can not provide,
because in my earlier energy-saving lamps were installed with 7 and 14W.
Since ESL not come in cold in the corridors and their maximum Hellitkeit
not reached and the LED lamps the temperature apparently does not matter
are the LEDs in autumnal nights even brighter than before the 14W ESL.
CONTRA:
* The specified color temperature of 2700K I (subjectively) my
Doubt: The light is neither bluish nor unpleasant cool, I would
estimate it at about 3200-3500K. But when I see walkway lighting
no disadvantage.
Correct frosty nights had not yet endured the lamps. With only 3W
Despite glass screen with no call cost self-heating outdoors
expected. So whether the electronics endure the frost in the long run I can then
in a few months to report ...