Blackburn Dayblazer 125 Rear Light. A multifunctional rear bike light that comes with a universal mounting system and a strong beam with up to 125 lumens of maximum output Rechargeable. The Dayblazer 125 Rear Light comes with a rechargeable lithium-ion battery and a charging cable that saves you the hassle of having to constantly change batteries. To know when it’s time to charge the light also comes with a super convenient LED fuel gauge that shows you your current battery life using a traffic light system Light Modes. The light comes with four different types of lighting which can easily be toggled between to find the best possible lighting to suit your battery life and current environment. The light modes included are:High: 120 lumens of light output – 1.5 hours of battery lifeLow: 50 lumens of light output – 3 hours of battery lifeFlash: 125 lumens of light output – 3 hours of battery lifeStrobe: 65 lumens of light output – 6 hours of battery lifeSide Visibility. Blackburn have specially adapted the light’s beam to spread the light’s output to provide super bright side visibility. This is a fantastic feature for urban commuters who often have to deal with multiple lanes of other road users with the light helping you to stay seen from various angles Mounting. The light comes with a universal mounting system that allows you to connect the light to various locations across your bike frame whether front or rear facing. Three different shims are provided – one for aeroposts, one for seatposts, and one for stays. The mounting system requires no additional tools or fixtures and allows you to take the Dayblazer on and off your bike in seconds Features. Rechargeable via provided cableLED fuel gaugeLithium-ion battery3 hour full recharge timeAluminium rugged constructionSide visibilityFront or rear compatibleWeighs 78gDimensions: 8.5 x 1.9 x 2.5cmBuy Blackburn Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.