Check the listing for details. Black Diamond Cosmo 350 Headlamp, Graphite. Color: Gray, Condition: New. Listed at 34.95 USD. Black Diamond Cosmo 350 Headlamp Description For multi-use camping, around the house, and outdoor adventures that require a simple light with both an all-purpose beam as well as night vision. This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long backpacking trip. Features Dual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibilityRed LED night vision has dimming and strobe modes and is quickly activated with dual-button interfaceSettings include dimming, strobe, red night-vision and lock modeIPX8: 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 conditionsIntegrated battery meter display shows % of power remainingDigital lock mode feature safeguards against accidental use when stored in a pack or pocket Attributes Range: 250 to 499Technical Specifications Closure Type: StrapBest Use: Hiking, Work, Climbing, Backpacking, Casual, CampingWeight: 46gFeatures: WaterproofMax Lumen Output: 4350Max Beam Distance (m): 64Brightness Levels: (High) 64 m, (Medium) 45 m, (Low) 10 mBatteries: 3 AAALight Output (Lumens): 350Beam Type: Flood