BESTSUN 2500 Lumen Zoomable Cree XML T6 LED 18650 Flashlight Focus Torch Lamp Adjustable (Black) CREE T6 led lamp, 5 mode, high power LED. With a lifespan of up to 100,000 hours or more, no need to consider replacing the cap for the whole life. Model of Led: Cree T6 Led Body Material: Alumiun alloy Focus: Stretching to adjust its focus Modes: 5 modes, High / Middle / Low / Strobe / SOS (slightly click the tail cap to sellect) Power supply: 1 x 18650 Rechargeable Li-lithium battery / 3 x AAA batteries (Not Include)