Features:​

Output: 2000 lumen (max) CREE LED provides bright light over a beam distance of 250m and reach up to 500m. 3 modes available, high / low / strobe

Long Lasting: Dual fuel capable, up to 2 hours from 3 AAA batteries, or 6 hours from one rechargeable 18650 lithium-ion battery. High-quality LED bulb deliver optimum performance throughout 50,000 hours of use

Durable: High-strength aluminum alloy body. Mil-Spec hard-anodized for extremely durability. O-ring and gasket sealed to keep out dust and moisture

Design: Adjustable focus, zoom in for intense beam and zoom out for wide illumination. Heavy-duty, compact, solid and tough as rock makes it perfect for camping, hiking, hunting and etc. And you will be ready for anything comes in your way

Specification
* Powered By: 1x 18650 3.7v lithium-ion battery OR 3X AAA battery(Battery not included)
* Runtime: 2-6 hours
* Brightness: 200-2000 lumens 
* Beam Distance: 250-500m

* Body Material: Aluminum Alloy
* Dimension: 153mm (length) * 3.5cm(diameter) 
* Net Weight: 159g/5.6oz/0.35lb
* Color: Black 
* Modes: high low and strobe, lightly press the tailcap to switch modes 

* Adjustable Focus: Zoom in for an intense beam or out for wider illumination 
* Water resistant level: ipx6, could use in water in short time, but DO NOT ADJUST FOCUS IN WATER! 
* High-strength aluminum alloy body, Mil-Spec hard-anodized for extreme durability 

* Lamp base: high power LED with a lifespan of up to 50,000 hours or more 

Package
* 1x SHENYU YF1019 Tactical Flashlight 
* 1x AAA Battery Holder

* 1x Wrist Strap

* 1x Worry-free 18-month Warranty