"PowerTap™ Technology allows instant transitioning between full and dimmed power
Compact, low-profile design uses three AAA batteries, included
Brightness Memory allows you to turn the light on and off at a chosen brightness without reverting back to full or mid-power
Settings include full strength in proximity and distance modes, dimming, strobe, red night-vision and lock mode
Multifaceted optical lens design
IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate; it should be completely dried out after use in wet conditions."