The M3 is an ultra-durable, compact, and powerful Titanium flashlight made for daily use, disaster situations, or collection. It is anti-corrosive, anti-rust, extremely reliable for all weather. Powered by one CR123A battery, the max output of the M3 flashlight is up to 700 lumens, max beam distance is 73 meters/239 feet, it can be a great backup light for night walking, self-defense, sundries search, or anytime when you need brightness, and it certainly can be a great gift for friends and family.