Flashlight feature: -USB output port design， you can charge your phone or other USB device for emergency.-The body is made from aluminum alloy， sturdy and durable enough for long time daily use.-Skid-proof， abrasion resistance and daily life waterproof design.-Suitable for most indoor use like home maintenance and outdoor activities like hunting， cycling， climbing， camping， etc.Specification:-Model of LED Beads: CREE XM-L L2 (Brighter than most T6 and Q5 beads)-High power mode with maximum output of 3800 lumens output.-The middle of switch mode: adjustable 5 files light (low/middle/high/strobe/sos)-Power by: 1*18650 rechargeable battery (not included)-Rechargeable:USB charge-Lamp Life: 100，000 Hours-Net weight: 215g-Size: 4.1cm * 17.4cm * 2.8cmPackage include:1* 3800 Lumens CREE XM L2 Led Torch Flashlight (battery not included)1* USB charge cable