Dome lens concentrates output from CREE XBD P4 center LED for 1/2 mile (800m) visibility in the brightest sun. Fresnel lenses for secondary LEDs provide wide angle visibility.
540mAh battery recharges via built-in USB tab in two hours (no extra cables needed).
Flexible mounting system works with all round seatposts, plus it's compatible with most seatstays (Aero strap mount available separately).