Best to Buy (6-PACK) Disc Type G4 Base Side Pin 10 SMD Led, 10 Watt Halogen 140 Lumen Bulb Replacement for Rv Camper Trailer Boat Marine White Replacement for a 10 watt halogen bulb using a fraction of the power 10 High Output 5050 SMD LED, 140 Lumen Total Operating voltage 10 to 30 Volt AC or DC Long life - estimated over 50,000 hrs. Reduced maintenance / replacement