Cool Shiny Bright Tr-3t6 3800 Lumens 3 X Cree Xm-l T6 LED Flashlight Torch 5 Models coolshiny Flashlight Mode Arrangement: Hi&gt;Mid&gt;Low&gt;Slow Strobe &gt;Fast Strobe Switch Operation: tailcap switch Battery Configuration: 2 or 3 x 18650 batteries (not included) Body: T6061-T6 aircraft aluminum alloy construction (HA IImilitary hard-anodized finish)