Hatori Flashlight XM-L T6 LED 3 Output Run on 18650 3.7v Battery NOT Included(Gray Flashlight ONLY) XML T6 with 900+ Lumen output 3 Modes: High, Low and Strobe,Aluminum alloy casing with o-rings for water resistant design. Rugged, anodized, Quality LED designed to last 100,000 hours Common uses: stargazing, hunting with a night vision scope, or military operations It may still be used during the day for signaling, reading maps, and other tasks Battery Configuration: 1*18650 battery (not included) or 3*AAA(not included)