Bontrager Ion 450 R Front Bike Light See at night and be seen during the day thanks to CREE LED optics, a focused beam pattern and five different modes. When used as a daytime running light, the Ion 450 R front bike light has the flash, focus and range to be seen from up to 2 km away The included Quick Connect bracket makes it easy to remove your light for charging. Key Features > Ideal for helmet or handlebar mounts > Focused optics illuminate the terrain ahead with a wide and powerful beam > 450 lumens via high-power CREE LED > 450 lm 1.5 hrs, 200 lm: 3 hrs, 100 lm: 6 hrs, Night Flash: 9 hrs, Day Flash: 10 hrs > Fully charged in 4 hours via a sealed micro USB port > Includes a Quick Connect bracket and micro USB charging cable > Blendr-compatible with secure bar mount available