Knog Plus Bike Rear Light - LED Bike Tail Light – Rear Light Mounts to Your Seat Post, Seat Stay or Clips on Clothing - USB Rechargeable, Waterproof, Ultralight Cycling Safety - Black

Versatile Mounting - Easily attaches to seat post or stay as a bicycle tail light. Remove the rechargeable compact bike tail light and clip it to clothing, helmet, or bag.. Bright & Visible - Latest COB tech delivers steady or flashing modes in this LED bicycle rear light. Be seen clearly up to 450m away with the bright LED rear bike light.. Long Runtime - Efficient design provides up to 40 hours of use on a single charge. The rechargeable rear bike light is also waterproof with an IP66 rating making it an ideal rear bicycle light.. Integrated Charging - Built-in USB-A connector allows cable-free charging of this rear light for bicycles. The red ring around the button shows charging status and low battery on bike rack light.. Lightweight Yet Powerful - At only 17g, the bike rack tail light is ultralight and ideal for commuters and road cyclists. Versatile bike rear light for any ride.