I-260W LAVA (USB) - Size: 48×27.7×21mm. - 2 White LED. - Brightness: 80 Lumens. - Rechargeable Lithium-ion Polymer battery. - Run time: Up to 1 hrs (Super Bright) / Up to 2hrs (Boost) / Up to 3.5 hrs (Constant) / Up to 7 hrs(Flashing). - Charge: 2.5 hrs (DC/5V, 0.5A). - Bracket: FB05, fits Ø19-Ø32mm. - Weight: 15.7g. - Helmet bracket (not included)