I have never been happier than with my FlashBak rear light. I ride an Xtracycle, and I clip it on the back. The remote power switch blinks with the lights, so I always KNOW when my back lights are working. Very cool. Amber in color, cuts thru darkness or fog much better. 4 Metal clips hold that sucker on...I've lost a lot of little red blinkies, because of the dumb little plastic clips. No more.