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. No Ordinary Rear Bike Light 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 Light Modes MODE MAX LUMENS RUNTIME Steady 20 2 hrs Strobe 20 8.5 hrs Pulse 20 4.5 hrs Fancy Flash 20 10 hrs Eco Flash 20 40 hrs WHAT'S IN THE BOX Plus Rear Bike Light 1 x Small 22-27mm Strap 1 x Large 28-32+mm Strap Plus Bike Light Mount