USB Charged Bicycle Flash Taillight Night Warning Lights

SPECIFICATIONS:
USB charging
-IPX2 waterproof
-Shell Material: Waterproof ABS
-Charging time: about 2 hours
-Working Time: 3-6 hours according to different using mode
-Easy to install, suitable for many sizes of handlebars or seatpost
-5 lighting modes style: Strong light, Weak Light, Flashing, warning lights, 100% lighting(as working video showing)