Make yourself more visible when it starts getting dark with this Helios K 1.1 USB Rechargeable Rear Light Shield-X Flashing Tail Light 220559. This rear light can be mounted on the seat post of your bike for a safer option than relying on reflectors. It is powered by a battery that is rechargeable with the included USB cable. Also features a battery level indicator so you know when it’s time to recharge.

• Quick mounting without tools
• 1 red LED bulb
• USB rechargeable battery with 4 hour running time
• Bracket Diameter: .75 – 1.4 inches
• 240 degree illumination angle