Take a look at the following website (
www.prudentrver.com).
I have been replacing my lights with these:
(W9.RV3N - 12ea - 200-lumen natural white LED - 155.76
replacement (3,800K, CR90) for brighter wedge bulbs in 12v
light fixtures - uses 2.9 watt in 10v to 30v range)
Love them!