Tactical 5.11 Unisex TMT A2 Flashlight Aluminum Tested to ANSI FL1 standards Two (2) AA Duracell batteries included Output: 220 lumens on high and strobe, 12 lumens on low Runtime: 1.5 hours on high, 2.5 hours on strobe, 57 hours on low Cree XPG-B LED High performance tactical light Impact and water resistant Intelligent switch with high/low/strobe modes