the prime lights are round, they can be used with a dimmer or not (20 degree)
the regular 10 watt solo lights are square, no dimmer option (15 degree)
here is the link again
http://visionxsuperstore.com/motorcycleledlights.aspx
the regular 10 watt solo lights are square, no dimmer option (15 degree)
here is the link again
http://visionxsuperstore.com/motorcycleledlights.aspx