Black Diamond Cosmo 350-R Headlamp Graphite One Size. This user has access to a power source and values the ability to go out on their adventures with a fully charged battery. Specifications for Black Diamond Cosmo 350-R Headlamp: Manufacturer: Black Diamond Light Output: 350 lumens Battery Type: Lithium Ion Bulb Type: LED Weight: 75 g Battery Quantity: 3 Features of Black Diamond Cosmo 350-R Headlamp Max Distance: (High) 64 m (Medium) 45 m (Low) 10 m Micro-USB charge port Recycled elastic headband featuring comfortable next to skin Repreve fiber construction Settings include dimming strobe red LED night-vision and lock mode Package Contents: Black Diamond Cosmo 350-R Headlamp Black Diamond BD6206770004ALL1: Cosmo 350-R Headlamp Graphite One Size