Lezyne deca drive front light 1500xxlthe deca drive front light 1500xxl from lezyne is designed for all forms of serious night riding this light delivers up to 1 500 lumens and the optimised constant lumens system maintains a steady beam throughout battery cycle featuresstunning in every department the deca drive works brilliantly as a road or mtb handlebar lightoverdrive mode for boosted output plus two mode toggle for simple high beam low beam operationconstant lumens technology for zero