These are g4 / t3 two pin lights. They work fine in my newmar. Used these for the factory ceiling lights fixtures on a 2000 mainship 390 trawler. I like the design with the epoxy encasement.

Too soon to tell about longevity yet. Very bright and has a nice warm glow. I need it not to burn out too soon.

These are a bit dimmer than even the 10w halogen bulbs i had. They are much cooler to the touch than the incandescent were. These are brighter and easy to place in and don't get as hot.

Led bulb is about 3/16 inch longer. They are a little taller than the halogens they replace so make certain your fixture has enough clearance. Easy to install and not too long to fit into the fixture. Needed to replace failed led bulb in outdoor low v...  Read More

In all of the fixtures i've tried them in, they flicker horribly after they've been on for a few minutes. Fixture is not expensive enough to examine the wiring, so i will return to using halogens and replacing them every six months.