Originally Posted by
kickstart
I rally like the Cateye tl 560
TL-LD560-R | CATEYE to supplement my steady fender mounted dyno powered taillight. It has several modes, lasts up to 120 hours on 2 AAA batteries, featuring a bright focused central led with 4 supplemental leds to produce very eye catching flash patterns. As a bonus its also a large reflector.
Go for the auto model, you don't even have to remember to turn it on.
TL-LD570-R | CATEYE