The NiteRider Pro 4200 Enduro Remote LED Headlight System lights up the trail like high noon. This kit includes everything you need to see on the darkest nights, on the most technical routes. The remote switch makes it easy to toggle between modes so you can throw it into high for the challenging sections and back it off to save battery life when the riding isn't so demanding. Features: Enduro Remote: remote switch for easy thumb operation USB port allows recharging of electronic devices 8-step fuel gauge 5 hour charge time Borofloat lens and custom reflector to deliver maximum light transmission Run Times: 6 Hours (Low, 1000 Lumens) 3.5 Hours (Med, 2000 Lumens) 1.5 Hours (High, 4200 Lumens) 16.5 Hours (Flash, 1400 Lumens) 16.5 Hours (Beacon, 1400 Lumens) 16.5 Hours (SOS, 1400 Lumens) 16.5 Hours (Race, 600 Lumens) Includes: Universal handlebar mount 36" extension cable USB cable Li-Ion battery Nylon storage case Specifications: Brightness: 4200 Lumens Battery Type: External, Rechargeable Run Time: 1.5 - 16 Hours Beam Color: White Color: Black Weight: 839g (Full Kit)