The CatEye AMPP 400S Front Bike Light is a powerful rechargeable bike light designed to boost visibility and safety on all rides. Delivering 400 lumens with OptiCube lens tech, this USB-C rechargeable light offers 5 modes, up to 60hrs runtime, side visibility and a low-battery indicator. FlexTight mount fits most bikes, ideal for riders upgrading bike lights and bike lights & reflectors. Buy your bike lights at Halfords, the UK's largest bike accessories retailer.