For the technical consumer who wants the best, brightest, most waterproof, feature rich headlamp to use for fast paced, extreme environment activities. This user also has the need to run the lamp on alkaline batteries if caught away from a power source for a long expedition.

FEATURES
Dual-Fuel: Maximum flexibility to utilize either the rechargeable Lithium Ion BD 1500 battery (purchased separately) or Alkaline cells (included)
450 Lumen max output
IP67: Waterproof-Tested to operate at least 1.0 meters underwater for 30 minutes
PowerTap Technology allows instant transitioning between full and dimmed power
Brightness Memory allows you to turn the light on and off at a chosen brightness without reverting back to default setting
Settings include full strength in proximity and distance modes, dimming, strobe, red, green and blue night-vision, and lock mode
Multifaceted optical efficiency lens technology