The Cateye AMPP100 Front Light features OptiCube lens technology keeping you extra visible when out and about. With side visibility, up to 35 hours runtime and a maximum brightness of 100 lumens, it offers premium features at a great price.100 lumensUp to 35 hours runtimeEasy to attach and remove with rubber band mount with 360° rotationExcellent side visibilityLow battery indicatorLithium-Ion USB rechargeable battery (Micro-USB cable included)Mode memory functionTwo light modes (Constant / Flashing)Opticube maximises brightness for greater visibilityAll Weather IPX4360° Adjustable: Light turns 360° for a multitude of lighting positionsConstant run time (100 lumens): 3.5hrsFlashing (100 lumens): 35hrsCharging time (From empty): 2.5hrsWeight: 62g