WindFire F10 Super Bright 1200 Lumens 5 Modes Cree T6 XM-L U2 Led Waterproof Flashlight Spotlight 18650 Rechargeable Lamp With Extension Tube for Biking Hiking & Indoor Activities (Batteries Included) WindFire F10 2200 Lumens Spotlight CREE XM-L T6 U2 LED Bulb Spot Lamp Flashlight. The body of flashlight is built of aircraft-grade aluminum alloy, it has a very solid construction 5 switch modes LED flashlight : high / middle / low / strobe / sos Waterproof design, Power Source: 1 or 2 x 18650 Rechargeable Battery (Battery included) Super brightness, best suitable for camping, travel, outdoor activities, etc..