Black Diamond Cosmo

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.
Cosmo 350 Features

Dual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibility
350 Lumen max output
Red LED night vision has dimming and strobe modes and is quickly activated with dual-button interface
Settings include 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
Integrated battery meter display shows % of power remaining
Digital lock mode feature safeguards against accidental use when stored in a pack or pocket

Specs:
Brightness: 350 lumens
Weight With Batteries: 79g
Distance:
Max: 64m
Med: 45m
Low: 10m