PDW The Red Planet
If you need a light long lasting rear light with no USB and that doesn't cost a fortune this is the light for you.
The Red Planet™ is a faithful tail gunner, blasting bandits port, starboard and aft with five crimson LEDs.
Tested under grueling conditions, the Red Planet™ is unfazed by rain and meteor showers. Convenient mounts let you strap in and blast off in seconds. Engage.