Planet Bike Spok USB Taillight

This is the "Next Generation" of our compact and versatile fast-mounting bike lights. Their mission: to help cyclists boldly go where no cyclist has gone before. - High output surface mounted LED provides steady, Courtesy, and Superflash modes - FL1 tested run time: 4.5 hrs (steady - 5 lm), 7 hrs (Courtesy(TM) 1.5-4.5 lm) and up to 22 hrs (Superflash - 5 lm) - Side cut outs provide 270 of visibility - Dust & water resistance rated to IP54 standard - 270 mAh lithium polymer battery charges in 2 hours with micro USB cable (included) - Diminutive size and fast mounting rubber strap mounts to multiple mounting locations in seconds without tools - 25 grams