The Swift series headlight gives you more than enough lumens at Niterider's weight for headlights. NiteRider makes this headlight USB rechargeable for convenient on-the-go charging. Note: The NiteRider Swift 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 / unlock - Battery: Rechargeable - Recharge Type: USB - Weight: 82 - Lumens Front: 700