The NiteRider Lumina Dual series headlight. Its dual LED set-up puts out enough light at to be more than capable navigating the toughest off-road terrain while being nimble and versatile enough to tackle those long and arduous paved commutes.Note: The NiteRider Lumina Dual 2000 is shipped from the factory in Travel Lock Mode. This mode feature is designed to save battery power by preventing the head light from accidentally turning on while in storage. Simply press and hold power button 8-10 seconds to lock / unlockWarning - hot surfaces. Do not use the Lumina as a hand-held lighting device when in high and boost modes