I really like the lights, but somewhat disappointed that they do not last very long. I only get 1 to 2 years out of them. And I don't use them very much.
I put these on my light bar for my Honda 1100 and they make it much easier to see the road at night. An added benefit is during that day when the lamps are not needed the blue tint of the bulbs, while off, catch peoples eyes as they reflect within the lamp housing. The 35W drain per bulb is also nice that it does not over burden the motors alternator and still leaves me capacity for heated riding gear for colder weather.