Lumens: 250 Runtime: High-2:30 Med-5:00 Low-20:00 Read-100:00 System Weight 149 gr * Convertible from a headlamp to climbing helmet light to hand torch to a bike light (bike mount sold separate) * Tool-less mounting system * Micro USB port rechargeable off computers, cell phone chargers, AC/DC adapters, solar panels * Designed and assembled in the USA, supported by a 2 year Warranty