Prosvet A100 1200 Lumen Cree-XML T6 Led Portable Zoomable Flashlight -5 Mode Adjustable Focus - Water Resistant -Powered By 1x18650 Battery or 3xAAA Battery (Not Included) Model of Led: Cree T6 Led Led,lifespan: 100,000 hours,Body Material: Alumiun alloy Switch:Deep Press Tail-cap ON/OFF,light touch on the button to select 5 Modes: high / middle / low / Adjustable focus range for different usage, stretching to adjust its focus A perfect item for outdoor sports,Skid-proof & water resistan design Power Source: 1 x 3.7V 18650 Battery or 3x AAA battery or 2x26650 battery(Not Included)