Originally Posted by
Vintagetrekdude
Doesnt the Wahoo Trackr have a mode that still flashes when something is detected behind, just not as bright? This seems like a good mode for conserving battery and if the radar malfunctions you would still be broadcasting some kind of light to the rear.
I believe it does ... high and low flash. The low-flash mode has a claimed battery life of up to 20 hours.