LightRider&trade; for Motorcycle Helmets &mdash; 360&deg; Light with 'Power Protected' Battery Use the helmet light on Arai, Shoei, HJC, Bell, half, flip-up, full face ALL MOTORCYCLE HELMETS High intensity LEDs (245 lumen) alert motorists up to 600 feet away 3M VHB (Very High Bond) adhesive backing is "non-solvent" to protect helmet warranty Rechargeable, lithium-ion battery provides six hours of run time Very low profile LED band maintains your helmet's safety features