Zoomable 2000 Lumen Cree XML T6 LED 18650 Flashlight Focus Torch Zoom Lamp Light Lamp base: CREE, high power LED, with a lifespan of up to 100,000 hours Water resistence design, can be used in rainy days 5 Modes Switch: high / middle / low / strobe / sos Power by: 1x 18650 3.6v/3.7v, or 3X AAA battery (Not AA Battery) Max Brightness output: 2000 lumens