The most advanced front and rear bike light system with Radar technology \n Includes Radar Drive taillight and React Drive Front light \n Custom programmed wireless system connects both lights and features advanced radar vehicle detection \n Cross compatible with select Ant+ head units, the Radar React System takes visibility and safety to the next level \n Features Lezyne premiere LED technology, optics and lenses \n Manually control both lights through Radar App \n React Drive Front features built in LED indicators that alert of approaching vehicles from behind when connected to Radar Drive \n IPX7 Waterproof with USBC charging ports \n Front Max 1000 lumens / 60 hours runtime in Femto mode \n Machined aluminum body / versatile mounting strip \n Rear Max 250 lumens / 15 hours runtime in Flash mode \n Comolded construction / Wide Angle Optics 270° of visibility