Gu10 7 w led reflector bulb with a great ambient dimming effectthis led reflector bulb can be used to replace traditional reflector bulbs of up to 35 watts and will save considerable amounts of energy eec a further advantages include the long lifetime of around 20 000 hours and the very natural colour rendering index ra90 yet it is the ambient dimming feature that really sets this reflector bulb apart the bulb isnt just dimmable as the light dims the luminous colour also changes t