Icon lightset seriously bright without dazzling others seesense icon keeps you visible with 250 lumens in the rear and 420 lumens in the front icon reacts to your situation on the road flashing brighter faster at roundabouts road junctions and to approaching car headlights at night all in a lightweight package with a 15 hour run time on flash mode an optional smartphone connection allows you to check your battery control your brightness and avail of crash and theft alerts connected