The NiteRider Swift 300 Headlight may be small, but it's powerful. The Swift 300 has 5 light modes, is water-resistant, and weighs in at only 82 grams-making it NiteRider's lightest headlight. Features: 5 light modes Built-in handlebar mount Low battery indicator Water/dust resistant IP64 rated Run Times: 11 Hours (Low, 100 Lumens) 5 Hours (Med, 175Lumens) 2 Hours (High, 300 Lumens) 11 Hours (Flash, 300 Lumens) 27 Hours (Walk, 20 Lumens) Specifications: Brightness: 300 Lumens Battery Type: Rechargeable (USB) Run Time: 2 - 27 Hours Beam Color: White Color: Black Weight: 82g