(Low Voltage 12V 24V Ba15d): This is low voltage bayonet double contact base ba15d 12v 24v led bulbs for RV camper interior marine boat trailer lights outdoor landscape lighting. Not 120 V! please make sure your voltage is low voltage 12v or 24v (Energy Saving): This ba15d led bulbs 12v 24v 5w 500 lm 6000k daylight white is very bright to replace 35w halogen bulbs, 1142 1004 1076 1130 1176 1075 S8 1987 motorboat (Wide Application) : Boat, RV, Travel Trailer, Camper, Marine, Anchor Light, Reading Lights, Yard light,landscape lighting, 90 1004 Bulb for Boat Navigation Lights Anchor Light Stern Light Bow and Stern Marine Led Bulb for Perko Light, etc (Easy Installation) : Ba15d bayonet base is easy to plug and play, just need to remove old bulb and put new bulb (High Quality & No Worry to Buy) : we use high quality driver, led chips, good heat dissipation design to ensure bulb's long lifespan over 30000 hrs. Kind Tips: 1) This bulb can be used for rv, boat, car and outdoor landscape lighting 2)It is non-dimmable 3) Voltage is AC10-24V,DC10-30Volt, it will need add 12/24v transformer if used in high voltage