Bringing together the brightness & 180 degree visibility of the Rapid range, the new Kinetic light adds an additional dimension. With a built in sensor which detects the movement of the rider, the beam will automatically change from flash to constant when stopping. 3 modes: Constant / Flashing / Rapid Up to 50 lumen output Fixed beam from pulse when stopping COB LED technology Li-Polymer battery 180 degree visibility Complex circuitry allows safe charge & discharge USB (Universal Serial Bus) recharge (2 hrs) O-Ring attachment Battery auto save Low battery indicator Light mode memory