Beaming with 100 lumens through it\'s ultra-bright white LED is the Orion bike light.Brightness levels are rated highly with similar power lumens used to light up large landscapes. The built-in reflector is another feature that ensures you stay visible on theA triple whammy, is has three modes including Day Flash, Mode Memory and Auto Safe Mode, with a minimum lifespan of 6 and a half hours, and a max of 36 hours and 30 mins before it needs charging again. Charging is quick as a flash, as it only takes two hours!100 lumensUltra-bright white LEDBuilt-in reflectorFixes on with quick release magnetic bracketSide visibility Water-resistantDay Flash, Mode Memory and Auto Safe ModeCharging time: 2 hours