The Black Diamond Spot 400 Headlamp was designed for a technical user who expects all-around performance and features out of their headlamp but still values a small size and compact package. This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long expedition. FeaturesDual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibilityPowerTap Technology allows instant adjustment between max output and dimmed powerIntegrated battery meter display shows % of power remainingSettings include proximity and distance modes, dimming, strobe, red LED night-vision and lock modeBrightness Memory allows you to turn the light on and off at a chosen brightness without reverting back to default settingRed night vision has dimming and strobe modes and activates without cycling through the white modeMultifaceted optical efficiency lens technologyIPX8: Waterproo...