Plus is a super-bright rear bike light that can be mounted on your bike or clipped onto your clothing, helmet, backpack etc. Equally impressive as a primary or secondary bike light, Plus is perfect for commuters and road cyclists alike. Our most versatile bike light ever. Mount to your seat post, seat stay or remove from the mount and clip it onto just about anything. Be seen from up to 1500 ft away Integrated USB-A connector for cable free charging Waterproof with IP66 rating Wearable Ultralight at just 0.6 oz Up to 40 hr runtime