Black Diamond ReVolt 350

Black Diamond Equipment says:
Emits 350 lumens on max setting Sleek, low-profile design uses new BD 1800 Rechargeable mAh Lithium Ion Battery (included) or standard AAA alkaline batteries Brightness Memory allows you to turn the light on and off at a chosen brightness without reverting back to full power "PowerTap(TM) Technology allows instant transitioning between full and dimmed power Multifaceted optical lens design Settings include full strength in proximity and distance modes, dimming, strobe, red night-vision and lock mode IPX4: Storm proof-Tested to withstand rain and sleet from any angle. Dual-Fuel: Maximum flexibility to utilize either the rechargeable lithium ion BD 1800 Battery or Alkaline cells. BD 1800 Battery Emits 350 lumens on max settingSleek, low-profile design uses new BD 1800 Rechargeable mAh Lithium Ion Battery (included) or standard AAA alkaline batteriesBrightness Memory allows you to turn the light on and off at a chosen brightness without reverting back to full power"PowerTap(TM) Technology allows instant transitioning between full and dimmed powerMultifaceted optical lens designSettings include full strength in proximity and distance modes, dimming, strobe, red night-vision and lock modeIPX4: Storm proof-Tested to withstand rain and sleet from any angle. Dual-Fuel: Maximum flexibility to utilize either the rechargeable lithium ion BD 1800 Battery or Alkaline cells. BD 1800 Battery | Black Diamond Equipment Revolt 350 Headlamp, in Dark Olive